Base | Representation |
---|---|
bin | 101000110011100010… |
… | …0111011110101000001 |
3 | 22101011222211211011210 |
4 | 1101213010323311001 |
5 | 2413430421132201 |
6 | 104131151000333 |
7 | 6221343412326 |
oct | 1214704736501 |
9 | 271158754153 |
10 | 87628692801 |
11 | 34188126981 |
12 | 14b968090a9 |
13 | 8356771620 |
14 | 4353dcab4d |
15 | 242d0c21d6 |
hex | 146713bd41 |
87628692801 has 16 divisors (see below), whose sum is σ = 125836716096. Its totient is φ = 53920677696.
The previous prime is 87628692799. The next prime is 87628692857. The reversal of 87628692801 is 10829682678.
It is not a de Polignac number, because 87628692801 - 21 = 87628692799 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87628692871) 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, 389431 + ... + 571763.
It is an arithmetic number, because the mean of its divisors is an integer number (7864794756).
Almost surely, 287628692801 is an apocalyptic number.
It is an amenable number.
87628692801 is a deficient number, since it is larger than the sum of its proper divisors (38208023295).
87628692801 is a wasteful number, since it uses less digits than its factorization.
87628692801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194672.
The product of its (nonzero) digits is 4644864, while the sum is 57.
The spelling of 87628692801 in words is "eighty-seven billion, six hundred twenty-eight million, six hundred ninety-two thousand, eight hundred one".
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