Base | Representation |
---|---|
bin | 1111010001001101… |
… | …00010110110011110 |
3 | 210011021211100002012 |
4 | 13220212202312132 |
5 | 113242012320010 |
6 | 3433230231222 |
7 | 410065425320 |
oct | 75046426636 |
9 | 23137740065 |
10 | 8197385630 |
11 | 3527235175 |
12 | 1709355512 |
13 | a083c3455 |
14 | 57a9a9610 |
15 | 32e9da005 |
hex | 1e89a2d9e |
8197385630 has 32 divisors (see below), whose sum is σ = 17444687040. Its totient is φ = 2713616640.
The previous prime is 8197385629. The next prime is 8197385681. The reversal of 8197385630 is 365837918.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017031 + ... + 2021090.
It is an arithmetic number, because the mean of its divisors is an integer number (545146470).
Almost surely, 28197385630 is an apocalyptic number.
8197385630 is an abundant number, since it is smaller than the sum of its proper divisors (9247301410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8197385630 is a wasteful number, since it uses less digits than its factorization.
8197385630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4038164.
The product of its (nonzero) digits is 1088640, while the sum is 50.
The square root of 8197385630 is about 90539.4147871522. The cubic root of 8197385630 is about 2016.3153453374.
The spelling of 8197385630 in words is "eight billion, one hundred ninety-seven million, three hundred eighty-five thousand, six hundred thirty".
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