Search a number
-
+
10031202320 = 245907138247
BaseRepresentation
bin10010101011110100…
…00000000000010000
3221220002110212122212
421111322000000100
5131020441433240
64335215251252
7503403545546
oct112572000020
927802425585
1010031202320
114288396857
121b3b519b28
13c3b2c3799
146b2365d96
153da9c3165
hex255e80010

10031202320 has 40 divisors (see below), whose sum is σ = 23348428224. Its totient is φ = 4008028032.

The previous prime is 10031202287. The next prime is 10031202331. The reversal of 10031202320 is 2320213001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 10031202295 and 10031202304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 141683.

Almost surely, 210031202320 is an apocalyptic number.

10031202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031202320 is an abundant number, since it is smaller than the sum of its proper divisors (13317225904).

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

10031202320 is a wasteful number, since it uses less digits than its factorization.

10031202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139167 (or 139161 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10031202320 its reverse (2320213001), we get a palindrome (12351415321).

The spelling of 10031202320 in words is "ten billion, thirty-one million, two hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 907 1814 3628 4535 7256 9070 14512 18140 36280 72560 138247 276494 552988 691235 1105976 1382470 2211952 2764940 5529880 11059760 125390029 250780058 501560116 626950145 1003120232 1253900290 2006240464 2507800580 5015601160 10031202320