Base | Representation |
---|---|
bin | 101000100101010001… |
… | …1011000110000001011 |
3 | 22022221122100122010002 |
4 | 1101022203120300023 |
5 | 2411440413330311 |
6 | 104011453513215 |
7 | 6203442636056 |
oct | 1211243306013 |
9 | 268848318102 |
10 | 87150136331 |
11 | 33a61a86365 |
12 | 14a824a280b |
13 | 82ab586a0b |
14 | 430a617a9d |
15 | 240109293b |
hex | 144a8d8c0b |
87150136331 has 2 divisors, whose sum is σ = 87150136332. Its totient is φ = 87150136330.
The previous prime is 87150136327. The next prime is 87150136361. The reversal of 87150136331 is 13363105178.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87150136331 - 22 = 87150136327 is a prime.
It is a super-2 number, since 2×871501363312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (87150136361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43575068165 + 43575068166.
It is an arithmetic number, because the mean of its divisors is an integer number (43575068166).
Almost surely, 287150136331 is an apocalyptic number.
87150136331 is a deficient number, since it is larger than the sum of its proper divisors (1).
87150136331 is an equidigital number, since it uses as much as digits as its factorization.
87150136331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 38.
The spelling of 87150136331 in words is "eighty-seven billion, one hundred fifty million, one hundred thirty-six thousand, three hundred thirty-one".
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