Base | Representation |
---|---|
bin | 101000101110110100… |
… | …0100111100011010111 |
3 | 22100202221202100111111 |
4 | 1101131220213203113 |
5 | 2413114342243100 |
6 | 104103331315451 |
7 | 6214411032232 |
oct | 1213550474327 |
9 | 270687670444 |
10 | 87470274775 |
11 | 34106765094 |
12 | 14b5174bb87 |
13 | 832c9b5c50 |
14 | 433ad50419 |
15 | 241e22d6ba |
hex | 145da278d7 |
87470274775 has 48 divisors (see below), whose sum is σ = 121977817920. Its totient is φ = 61737984000.
The previous prime is 87470274757. The next prime is 87470274781. The reversal of 87470274775 is 57747207478.
It is not a de Polignac number, because 87470274775 - 29 = 87470274263 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11963821 + ... + 11971129.
It is an arithmetic number, because the mean of its divisors is an integer number (2541204540).
Almost surely, 287470274775 is an apocalyptic number.
87470274775 is a deficient number, since it is larger than the sum of its proper divisors (34507543145).
87470274775 is a wasteful number, since it uses less digits than its factorization.
87470274775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8956 (or 8951 counting only the distinct ones).
The product of its (nonzero) digits is 21512960, while the sum is 58.
The spelling of 87470274775 in words is "eighty-seven billion, four hundred seventy million, two hundred seventy-four thousand, seven hundred seventy-five".
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