Base | Representation |
---|---|
bin | 11101001000000001… |
… | …110101101100000011 |
3 | 2222201111001210211010 |
4 | 131020001311230003 |
5 | 1003021420301200 |
6 | 22211113252003 |
7 | 2154656631105 |
oct | 351001655403 |
9 | 88644053733 |
10 | 31273212675 |
11 | 12298a05611 |
12 | 6089404003 |
13 | 2c450b1493 |
14 | 1729595575 |
15 | c307c7150 |
hex | 748075b03 |
31273212675 has 12 divisors (see below), whose sum is σ = 51705045080. Its totient is φ = 16679046720.
The previous prime is 31273212673. The next prime is 31273212709. The reversal of 31273212675 is 57621237213.
It is not a de Polignac number, because 31273212675 - 21 = 31273212673 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31273212673) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208488010 + ... + 208488159.
Almost surely, 231273212675 is an apocalyptic number.
31273212675 is a deficient number, since it is larger than the sum of its proper divisors (20431832405).
31273212675 is a wasteful number, since it uses less digits than its factorization.
31273212675 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416976182 (or 416976177 counting only the distinct ones).
The product of its digits is 105840, while the sum is 39.
Adding to 31273212675 its reverse (57621237213), we get a palindrome (88894449888).
The spelling of 31273212675 in words is "thirty-one billion, two hundred seventy-three million, two hundred twelve thousand, six hundred seventy-five".
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