Base | Representation |
---|---|
bin | 1000000010111101… |
… | …1001000110001010 |
3 | 12120112020122200100 |
4 | 2000233121012022 |
5 | 13410414012320 |
6 | 554154150230 |
7 | 104344623366 |
oct | 20057310612 |
9 | 5515218610 |
10 | 2159907210 |
11 | a0923628a |
12 | 503422376 |
13 | 285634806 |
14 | 166c022a6 |
15 | c994c790 |
hex | 80bd918a |
2159907210 has 48 divisors (see below), whose sum is σ = 5692704264. Its totient is φ = 568083456.
The previous prime is 2159907203. The next prime is 2159907229. The reversal of 2159907210 is 127099512.
It can be written as a sum of positive squares in 4 ways, for example, as 1146567321 + 1013339889 = 33861^2 + 31833^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157807 + ... + 170946.
Almost surely, 22159907210 is an apocalyptic number.
2159907210 is an abundant number, since it is smaller than the sum of its proper divisors (3532797054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2159907210 is a wasteful number, since it uses less digits than its factorization.
2159907210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328839 (or 328836 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 36.
The square root of 2159907210 is about 46474.8018823104. The cubic root of 2159907210 is about 1292.6423035694.
The spelling of 2159907210 in words is "two billion, one hundred fifty-nine million, nine hundred seven thousand, two hundred ten".
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