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7013760040 = 235731730071
BaseRepresentation
bin1101000100000110…
…10111110000101000
3200002210121221000101
412202003113300220
5103331010310130
63115545115144
7335543656000
oct64203276050
920083557011
107013760040
112a7a0a2801
121438a88ab4
1387a113091
144a76dd000
152b0b361ca
hex1a20d7c28

7013760040 has 128 divisors (see below), whose sum is σ = 19486656000. Its totient is φ = 2263188480.

The previous prime is 7013760037. The next prime is 7013760041. The reversal of 7013760040 is 400673107.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 7013759990 and 7013760008.

It is not an unprimeable number, because it can be changed into a prime (7013760041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218205 + ... + 248275.

It is an arithmetic number, because the mean of its divisors is an integer number (152239500).

Almost surely, 27013760040 is an apocalyptic number.

7013760040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7013760040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9743328000).

7013760040 is an abundant number, since it is smaller than the sum of its proper divisors (12472895960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7013760040 is a wasteful number, since it uses less digits than its factorization.

7013760040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30120 (or 30102 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7013760040 is about 83748.1942491896. The cubic root of 7013760040 is about 1914.1837913995.

The spelling of 7013760040 in words is "seven billion, thirteen million, seven hundred sixty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 49 56 68 70 85 98 119 136 140 170 196 238 245 280 340 343 392 476 490 595 680 686 833 952 980 1190 1372 1666 1715 1960 2380 2744 3332 3430 4165 4760 5831 6664 6860 8330 11662 13720 16660 23324 29155 30071 33320 46648 58310 60142 116620 120284 150355 210497 233240 240568 300710 420994 511207 601420 841988 1022414 1052485 1202840 1473479 1683976 2044828 2104970 2556035 2946958 3578449 4089656 4209940 5112070 5893916 7156898 7367395 8419880 10224140 10314353 11787832 14313796 14734790 17892245 20448280 20628706 25049143 28627592 29469580 35784490 41257412 50098286 51571765 58939160 71568980 82514824 100196572 103143530 125245715 143137960 175344001 200393144 206287060 250491430 350688002 412574120 500982860 701376004 876720005 1001965720 1402752008 1753440010 3506880020 7013760040