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15117958932 = 2231519982889
BaseRepresentation
bin11100001010001100…
…11011111100010100
31110000121002212220220
432011012123330110
5221430144141212
610540050154340
71043431350006
oct160506337424
943017085826
1015117958932
11645876a33a
122b1ab829b0
13156c109c3b
14a35b6c376
155d736538c
hex38519bf14

15117958932 has 24 divisors (see below), whose sum is σ = 35277984000. Its totient is φ = 5038927296.

The previous prime is 15117958907. The next prime is 15117958937. The reversal of 15117958932 is 23985971151.

15117958932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15117958937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140944 + ... + 223832.

It is an arithmetic number, because the mean of its divisors is an integer number (1469916000).

Almost surely, 215117958932 is an apocalyptic number.

15117958932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15117958932 is an abundant number, since it is smaller than the sum of its proper divisors (20160025068).

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

15117958932 is a wasteful number, since it uses less digits than its factorization.

15117958932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98095 (or 98093 counting only the distinct ones).

The product of its digits is 680400, while the sum is 51.

The spelling of 15117958932 in words is "fifteen billion, one hundred seventeen million, nine hundred fifty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 15199 30398 45597 60796 82889 91194 165778 182388 248667 331556 497334 994668 1259829911 2519659822 3779489733 5039319644 7558979466 15117958932