Base | Representation |
---|---|
bin | 101000100001011001… |
… | …1111011000001011011 |
3 | 22022121120221220001112 |
4 | 1101002303323001123 |
5 | 2411204141101100 |
6 | 103550534010535 |
7 | 6200304643214 |
oct | 1210263730133 |
9 | 268546856045 |
10 | 87020253275 |
11 | 339a573429a |
12 | 14a46aa6a4b |
13 | 828a6ac537 |
14 | 42d728840b |
15 | 23e4988b35 |
hex | 1442cfb05b |
87020253275 has 6 divisors (see below), whose sum is σ = 107905114092. Its totient is φ = 69616202600.
The previous prime is 87020253239. The next prime is 87020253283. The reversal of 87020253275 is 57235202078.
It is not a de Polignac number, because 87020253275 - 26 = 87020253211 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740405041 + ... + 1740405090.
It is an arithmetic number, because the mean of its divisors is an integer number (17984185682).
Almost surely, 287020253275 is an apocalyptic number.
87020253275 is a deficient number, since it is larger than the sum of its proper divisors (20884860817).
87020253275 is a wasteful number, since it uses less digits than its factorization.
87020253275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3480810141 (or 3480810136 counting only the distinct ones).
The product of its (nonzero) digits is 235200, while the sum is 41.
The spelling of 87020253275 in words is "eighty-seven billion, twenty million, two hundred fifty-three thousand, two hundred seventy-five".
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