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10000115938 = 217412971233
BaseRepresentation
bin10010101000000110…
…11010100011100010
3221210220222112011101
421110003122203202
5130440012202223
64332145105014
7502545403651
oct112403324342
927726875141
1010000115938
11427189412a
121b3102816a
13c34a2b187
146ac193198
153d7dd24ad
hex2540da8e2

10000115938 has 16 divisors (see below), whose sum is σ = 15886606680. Its totient is φ = 4704731136.

The previous prime is 10000115903. The next prime is 10000115941. The reversal of 10000115938 is 83951100001.

It can be written as a sum of positive squares in 4 ways, for example, as 9902837169 + 97278769 = 99513^2 + 9863^2 .

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, 104770 + ... + 176002.

Almost surely, 210000115938 is an apocalyptic number.

10000115938 is a deficient number, since it is larger than the sum of its proper divisors (5886490742).

10000115938 is a wasteful number, since it uses less digits than its factorization.

10000115938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75381.

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 10000115938 its reverse (83951100001), we get a palindrome (93951215939).

The spelling of 10000115938 in words is "ten billion, one hundred fifteen thousand, nine hundred thirty-eight".

Divisors: 1 2 17 34 4129 8258 70193 71233 140386 142466 1210961 2421922 294121057 588242114 5000057969 10000115938