Base | Representation |
---|---|
bin | 110000000000101101… |
… | …1001111000101011000 |
3 | 100212010102201210002020 |
4 | 1200001123033011120 |
5 | 3142123400210432 |
6 | 115210453534440 |
7 | 10306664106360 |
oct | 1400133170530 |
9 | 325112653066 |
10 | 103103131992 |
11 | 3a7a90370a3 |
12 | 17b95044420 |
13 | 9951693213 |
14 | 4dc12319a0 |
15 | 2a368a122c |
hex | 18016cf158 |
103103131992 has 64 divisors (see below), whose sum is σ = 294901363200. Its totient is φ = 29425939200.
The previous prime is 103103131969. The next prime is 103103131993. The reversal of 103103131992 is 299131301301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103103131993) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179509 + ... + 488292.
It is an arithmetic number, because the mean of its divisors is an integer number (4607833800).
Almost surely, 2103103131992 is an apocalyptic number.
103103131992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103103131992 is an abundant number, since it is smaller than the sum of its proper divisors (191798231208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103103131992 is a wasteful number, since it uses less digits than its factorization.
103103131992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 668736 (or 668732 counting only the distinct ones).
The product of its (nonzero) digits is 4374, while the sum is 33.
The spelling of 103103131992 in words is "one hundred three billion, one hundred three million, one hundred thirty-one thousand, nine hundred ninety-two".
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