Base | Representation |
---|---|
bin | 101000110001011111… |
… | …0001001001001010010 |
3 | 22101000012012212210020 |
4 | 1101202332021021102 |
5 | 2413310302202344 |
6 | 104120250244310 |
7 | 6216546022653 |
oct | 1214276111122 |
9 | 271005185706 |
10 | 87559803474 |
11 | 34152254350 |
12 | 14b77726696 |
13 | 8345401500 |
14 | 4348bb752a |
15 | 2427015719 |
hex | 1462f89252 |
87559803474 has 96 divisors (see below), whose sum is σ = 211267989504. Its totient is φ = 23970997440.
The previous prime is 87559803469. The next prime is 87559803479. The reversal of 87559803474 is 47430895578.
It is an interprime number because it is at equal distance from previous prime (87559803469) and next prime (87559803479).
It is not an unprimeable number, because it can be changed into a prime (87559803479) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440727 + ... + 607749.
It is an arithmetic number, because the mean of its divisors is an integer number (2200708224).
Almost surely, 287559803474 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87559803474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105633994752).
87559803474 is an abundant number, since it is smaller than the sum of its proper divisors (123708186030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87559803474 is a wasteful number, since it uses less digits than its factorization.
87559803474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167112 (or 167099 counting only the distinct ones).
The product of its (nonzero) digits is 33868800, while the sum is 60.
The spelling of 87559803474 in words is "eighty-seven billion, five hundred fifty-nine million, eight hundred three thousand, four hundred seventy-four".
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