Base | Representation |
---|---|
bin | 101000111101010100… |
… | …0100011011100101110 |
3 | 22102000212020020211200 |
4 | 1101322220203130232 |
5 | 2420113420002410 |
6 | 104223511230330 |
7 | 6232436304111 |
oct | 1217250433456 |
9 | 272025206750 |
10 | 87956797230 |
11 | 34336356665 |
12 | 150686783a6 |
13 | 83a972c663 |
14 | 43857d8578 |
15 | 244bcd33c0 |
hex | 147aa2372e |
87956797230 has 48 divisors (see below), whose sum is σ = 231908642784. Its totient is φ = 23124790080.
The previous prime is 87956797219. The next prime is 87956797241. The reversal of 87956797230 is 3279765978.
It is an interprime number because it is at equal distance from previous prime (87956797219) and next prime (87956797241).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6875989 + ... + 6888768.
It is an arithmetic number, because the mean of its divisors is an integer number (4831430058).
Almost surely, 287956797230 is an apocalyptic number.
87956797230 is an abundant number, since it is smaller than the sum of its proper divisors (143951845554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87956797230 is a wasteful number, since it uses less digits than its factorization.
87956797230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13764841 (or 13764838 counting only the distinct ones).
The product of its (nonzero) digits is 40007520, while the sum is 63.
The spelling of 87956797230 in words is "eighty-seven billion, nine hundred fifty-six million, seven hundred ninety-seven thousand, two hundred thirty".
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