Base | Representation |
---|---|
bin | 10010101000101… |
… | …101111111110011 |
3 | 210210022222110001 |
4 | 102220231333303 |
5 | 1120020222201 |
6 | 51005250431 |
7 | 10514413000 |
oct | 2250557763 |
9 | 723288401 |
10 | 312664051 |
11 | 150544147 |
12 | 88863a17 |
13 | 4ca1311b |
14 | 2d74c8a7 |
15 | 1c6b1301 |
hex | 12a2dff3 |
312664051 has 48 divisors (see below), whose sum is σ = 408888000. Its totient is φ = 237871872.
The previous prime is 312664043. The next prime is 312664081. The reversal of 312664051 is 150466213.
It is not a de Polignac number, because 312664051 - 23 = 312664043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312664081) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7271236 + ... + 7271278.
It is an arithmetic number, because the mean of its divisors is an integer number (8518500).
Almost surely, 2312664051 is an apocalyptic number.
312664051 is a deficient number, since it is larger than the sum of its proper divisors (96223949).
312664051 is an equidigital number, since it uses as much as digits as its factorization.
312664051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153 (or 96 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 312664051 is about 17682.3089838403. The cubic root of 312664051 is about 678.7231308220.
The spelling of 312664051 in words is "three hundred twelve million, six hundred sixty-four thousand, fifty-one".
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