Base | Representation |
---|---|
bin | 101000110000110110… |
… | …0011000001100011100 |
3 | 22100221200212220122020 |
4 | 1101201230120030130 |
5 | 2413234310304213 |
6 | 104114203020140 |
7 | 6216165601455 |
oct | 1214154301434 |
9 | 270850786566 |
10 | 87538369308 |
11 | 34141144565 |
12 | 14b7050a650 |
13 | 8340b38380 |
14 | 4345dd812c |
15 | 24251ce923 |
hex | 1461b1831c |
87538369308 has 24 divisors (see below), whose sum is σ = 219968210448. Its totient is φ = 26934882816.
The previous prime is 87538369291. The next prime is 87538369327. The reversal of 87538369308 is 80396383578.
It is a super-2 number, since 2×875383693082 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280571541 + ... + 280571852.
It is an arithmetic number, because the mean of its divisors is an integer number (9165342102).
Almost surely, 287538369308 is an apocalyptic number.
It is an amenable number.
87538369308 is an abundant number, since it is smaller than the sum of its proper divisors (132429841140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87538369308 is a wasteful number, since it uses less digits than its factorization.
87538369308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561143413 (or 561143411 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 60.
The spelling of 87538369308 in words is "eighty-seven billion, five hundred thirty-eight million, three hundred sixty-nine thousand, three hundred eight".
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