Base | Representation |
---|---|
bin | 101000111101010100… |
… | …1010111010001011110 |
3 | 22102000212122001000121 |
4 | 1101322221113101132 |
5 | 2420113443301002 |
6 | 104223515545154 |
7 | 6232441150015 |
oct | 1217251272136 |
9 | 272025561017 |
10 | 87957009502 |
11 | 3433649109a |
12 | 1506875b1ba |
13 | 83a97a516b |
14 | 4385851a7c |
15 | 244bd26237 |
hex | 147aa5745e |
87957009502 has 8 divisors (see below), whose sum is σ = 132144605712. Its totient is φ = 43908807600.
The previous prime is 87957009397. The next prime is 87957009509. The reversal of 87957009502 is 20590075978.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 87957009502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87957009509) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34846999 + ... + 34849522.
It is an arithmetic number, because the mean of its divisors is an integer number (16518075714).
Almost surely, 287957009502 is an apocalyptic number.
87957009502 is a deficient number, since it is larger than the sum of its proper divisors (44187596210).
87957009502 is a wasteful number, since it uses less digits than its factorization.
87957009502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69697154.
The product of its (nonzero) digits is 1587600, while the sum is 52.
The spelling of 87957009502 in words is "eighty-seven billion, nine hundred fifty-seven million, nine thousand, five hundred two".
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