Base | Representation |
---|---|
bin | 101101100101110111… |
… | …0111110111101101000 |
3 | 100100201022222211010112 |
4 | 1123023232332331220 |
5 | 3101003241400010 |
6 | 112551130433452 |
7 | 10034143633613 |
oct | 1331356767550 |
9 | 310638884115 |
10 | 97907371880 |
11 | 3858218267a |
12 | 16b84b92888 |
13 | 9304103156 |
14 | 4a4b17317a |
15 | 283067ba05 |
hex | 16cbbbef68 |
97907371880 has 64 divisors (see below), whose sum is σ = 225728959680. Its totient is φ = 38196851200.
The previous prime is 97907371843. The next prime is 97907371883. The reversal of 97907371880 is 8817370979.
97907371880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×979073718802 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (97907371883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8080787 + ... + 8092893.
It is an arithmetic number, because the mean of its divisors is an integer number (3527014995).
Almost surely, 297907371880 is an apocalyptic number.
It is an amenable number.
97907371880 is an abundant number, since it is smaller than the sum of its proper divisors (127821587800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97907371880 is a wasteful number, since it uses less digits than its factorization.
97907371880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17090 (or 17086 counting only the distinct ones).
The product of its (nonzero) digits is 5334336, while the sum is 59.
The spelling of 97907371880 in words is "ninety-seven billion, nine hundred seven million, three hundred seventy-one thousand, eight hundred eighty".
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