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1340158680 = 2332571792971
BaseRepresentation
bin100111111100001…
…0011001011011000
310110101202010002200
41033320103023120
510221040034210
6340552130200
745132106110
oct11770231330
93411663080
101340158680
11628537063
12314996960
13184858b03
14c9db6040
157c9c40c0
hex4fe132d8

1340158680 has 192 divisors, whose sum is σ = 5007225600. Its totient is φ = 304508160.

The previous prime is 1340158679. The next prime is 1340158681. The reversal of 1340158680 is 868510431.

It is an interprime number because it is at equal distance from previous prime (1340158679) and next prime (1340158681).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340158681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 449595 + ... + 452565.

It is an arithmetic number, because the mean of its divisors is an integer number (26079300).

Almost surely, 21340158680 is an apocalyptic number.

1340158680 is a gapful number since it is divisible by the number (10) 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 1340158680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2503612800).

1340158680 is an abundant number, since it is smaller than the sum of its proper divisors (3667066920).

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

1340158680 is a wasteful number, since it uses less digits than its factorization.

1340158680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1340158680 is about 36608.1777749180. The cubic root of 1340158680 is about 1102.5172872789.

The spelling of 1340158680 in words is "one billion, three hundred forty million, one hundred fifty-eight thousand, six hundred eighty".