Base | Representation |
---|---|
bin | 10010100110110… |
… | …000100001110010 |
3 | 210202100212110221 |
4 | 102212300201302 |
5 | 1114402301010 |
6 | 50550243254 |
7 | 10510142455 |
oct | 2246604162 |
9 | 722325427 |
10 | 312150130 |
11 | 150223016 |
12 | 8865652a |
13 | 4c893226 |
14 | 2d65749c |
15 | 1c60ddda |
hex | 129b0872 |
312150130 has 16 divisors (see below), whose sum is σ = 577056600. Its totient is φ = 121485312.
The previous prime is 312150101. The next prime is 312150131. The reversal of 312150130 is 31051213.
It can be written as a sum of positive squares in 4 ways, for example, as 247653169 + 64496961 = 15737^2 + 8031^2 .
It is not an unprimeable number, because it can be changed into a prime (312150131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421455 + ... + 422194.
Almost surely, 2312150130 is an apocalyptic number.
312150130 is a deficient number, since it is larger than the sum of its proper divisors (264906470).
312150130 is a wasteful number, since it uses less digits than its factorization.
312150130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 843693.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 312150130 is about 17667.7709403309. The cubic root of 312150130 is about 678.3510580334.
The spelling of 312150130 in words is "three hundred twelve million, one hundred fifty thousand, one hundred thirty".
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