Base | Representation |
---|---|
bin | 101111111011000100… |
… | …1001101001010111100 |
3 | 100211122020120120111021 |
4 | 1133312021031022330 |
5 | 3141231421344223 |
6 | 115140013033524 |
7 | 10302205226023 |
oct | 1376611151274 |
9 | 324566516437 |
10 | 102913856188 |
11 | 3a711209410 |
12 | 17b417858a4 |
13 | 99213c22c0 |
14 | 4da40418ba |
15 | 2a24e6465d |
hex | 17f624d2bc |
102913856188 has 24 divisors (see below), whose sum is σ = 211585132080. Its totient is φ = 43180638720.
The previous prime is 102913856183. The next prime is 102913856261. The reversal of 102913856188 is 881658319201.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102913856183) 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, 89959093 + ... + 89960236.
It is an arithmetic number, because the mean of its divisors is an integer number (8816047170).
Almost surely, 2102913856188 is an apocalyptic number.
It is an amenable number.
102913856188 is an abundant number, since it is smaller than the sum of its proper divisors (108671275892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102913856188 is a wasteful number, since it uses less digits than its factorization.
102913856188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179919357 (or 179919355 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 52.
The spelling of 102913856188 in words is "one hundred two billion, nine hundred thirteen million, eight hundred fifty-six thousand, one hundred eighty-eight".
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