Base | Representation |
---|---|
bin | 101111110100101110… |
… | …0011001010101011010 |
3 | 100211002101122022221102 |
4 | 1133221130121111122 |
5 | 3140312400023223 |
6 | 115102522111402 |
7 | 10264010152145 |
oct | 1375134312532 |
9 | 324071568842 |
10 | 102700782938 |
11 | 3a611a07316 |
12 | 17aa234b562 |
13 | 98b920b660 |
14 | 4d83a1905c |
15 | 2a113c6928 |
hex | 17e971955a |
102700782938 has 16 divisors (see below), whose sum is σ = 165941637120. Its totient is φ = 47388826416.
The previous prime is 102700782929. The next prime is 102700782941. The reversal of 102700782938 is 839287007201.
It is a super-5 number, since 5×1027007829385 (a number of 56 digits) contains 55555 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102700782892 and 102700782901.
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, 371258 + ... + 585861.
It is an arithmetic number, because the mean of its divisors is an integer number (10371352320).
Almost surely, 2102700782938 is an apocalyptic number.
102700782938 is a deficient number, since it is larger than the sum of its proper divisors (63240854182).
102700782938 is a wasteful number, since it uses less digits than its factorization.
102700782938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 961261.
The product of its (nonzero) digits is 338688, while the sum is 47.
The spelling of 102700782938 in words is "one hundred two billion, seven hundred million, seven hundred eighty-two thousand, nine hundred thirty-eight".
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