Base | Representation |
---|---|
bin | 101111111010000010… |
… | …0011001010110010111 |
3 | 100211112211001202220212 |
4 | 1133310010121112113 |
5 | 3141144013302134 |
6 | 115132330520035 |
7 | 10301303263544 |
oct | 1376404312627 |
9 | 324484052825 |
10 | 102879040919 |
11 | 3a6a359a166 |
12 | 17b31b9601b |
13 | 9917122655 |
14 | 4d9d57bbcb |
15 | 2a21d88bce |
hex | 17f4119597 |
102879040919 has 2 divisors, whose sum is σ = 102879040920. Its totient is φ = 102879040918.
The previous prime is 102879040877. The next prime is 102879040931. The reversal of 102879040919 is 919040978201.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102879040919 is a prime.
It is a super-2 number, since 2×1028790409192 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102879040949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51439520459 + 51439520460.
It is an arithmetic number, because the mean of its divisors is an integer number (51439520460).
Almost surely, 2102879040919 is an apocalyptic number.
102879040919 is a deficient number, since it is larger than the sum of its proper divisors (1).
102879040919 is an equidigital number, since it uses as much as digits as its factorization.
102879040919 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 326592, while the sum is 50.
The spelling of 102879040919 in words is "one hundred two billion, eight hundred seventy-nine million, forty thousand, nine hundred nineteen".
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