Base | Representation |
---|---|
bin | 101111111010110101… |
… | …0111100111111111101 |
3 | 100211121200122122210212 |
4 | 1133311222330333331 |
5 | 3141222404110004 |
6 | 115135131042205 |
7 | 10302050635613 |
oct | 1376552747775 |
9 | 324550578725 |
10 | 102905925629 |
11 | 3a707792031 |
12 | 17b3aba0365 |
13 | 991c876670 |
14 | 4da2d796b3 |
15 | 2a243e996e |
hex | 17f5abcffd |
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".
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