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102905925629 = 1359134166787
BaseRepresentation
bin101111111010110101…
…0111100111111111101
3100211121200122122210212
41133311222330333331
53141222404110004
6115135131042205
710302050635613
oct1376552747775
9324550578725
10102905925629
113a707792031
1217b3aba0365
13991c876670
144da2d796b3
152a243e996e
hex17f5abcffd

102905925629 has 8 divisors (see below), whose sum is σ = 112700101920. Its totient is φ = 93380083056.

The previous prime is 102905925601. The next prime is 102905925641. The reversal of 102905925629 is 926529509201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-102905925629 is a prime.

It is a super-2 number, since 2×1029059256292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102905925229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67082627 + ... + 67084160.

It is an arithmetic number, because the mean of its divisors is an integer number (14087512740).

Almost surely, 2102905925629 is an apocalyptic number.

It is an amenable number.

102905925629 is a deficient number, since it is larger than the sum of its proper divisors (9794176291).

102905925629 is a wasteful number, since it uses less digits than its factorization.

102905925629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134166859.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 102905925629 in words is "one hundred two billion, nine hundred five million, nine hundred twenty-five thousand, six hundred twenty-nine".

Divisors: 1 13 59 767 134166787 1744168231 7915840433 102905925629