Base | Representation |
---|---|
bin | 101000101000110001… |
… | …0010000110111010011 |
3 | 22100020210210021021220 |
4 | 1101101202100313103 |
5 | 2412210411014022 |
6 | 104031240420123 |
7 | 6206364442545 |
oct | 1212142206723 |
9 | 270223707256 |
10 | 87267282387 |
11 | 3401211898a |
12 | 14ab5777643 |
13 | 82c99218cc |
14 | 431bdcd695 |
15 | 240b4d285c |
hex | 1451890dd3 |
87267282387 has 16 divisors (see below), whose sum is σ = 121423147008. Its totient is φ = 55645128000.
The previous prime is 87267282371. The next prime is 87267282409. The reversal of 87267282387 is 78328276278.
It is not a de Polignac number, because 87267282387 - 24 = 87267282371 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87267282387.
It is not an unprimeable number, because it can be changed into a prime (87267289387) 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, 1418958 + ... + 1479180.
It is an arithmetic number, because the mean of its divisors is an integer number (7588946688).
Almost surely, 287267282387 is an apocalyptic number.
87267282387 is a deficient number, since it is larger than the sum of its proper divisors (34155864621).
87267282387 is a wasteful number, since it uses less digits than its factorization.
87267282387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81250.
The product of its digits is 25288704, while the sum is 60.
The spelling of 87267282387 in words is "eighty-seven billion, two hundred sixty-seven million, two hundred eighty-two thousand, three hundred eighty-seven".
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