Base | Representation |
---|---|
bin | 1110001101100101010000… |
… | …11011110100110010101010 |
3 | 11002122202110212010210210111 |
4 | 13012302220123310302222 |
5 | 13044022130011141411 |
6 | 150245233355204534 |
7 | 6403645446043111 |
oct | 706625033646252 |
9 | 132582425123714 |
10 | 31253007912106 |
11 | 9a5a365225072 |
12 | 360906114674a |
13 | 14591b89bb606 |
14 | 7a09218aac78 |
15 | 392e68462721 |
hex | 1c6ca86f4caa |
31253007912106 has 16 divisors (see below), whose sum is σ = 46886020230816. Its totient is φ = 15624334670256.
The previous prime is 31253007911999. The next prime is 31253007912107. The reversal of 31253007912106 is 60121970035213.
It is not an unprimeable number, because it can be changed into a prime (31253007912107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849548245 + ... + 849585031.
It is an arithmetic number, because the mean of its divisors is an integer number (2930376264426).
Almost surely, 231253007912106 is an apocalyptic number.
31253007912106 is a deficient number, since it is larger than the sum of its proper divisors (15633012318710).
31253007912106 is a wasteful number, since it uses less digits than its factorization.
31253007912106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84213.
The product of its (nonzero) digits is 68040, while the sum is 40.
Adding to 31253007912106 its reverse (60121970035213), we get a palindrome (91374977947319).
The spelling of 31253007912106 in words is "thirty-one trillion, two hundred fifty-three billion, seven million, nine hundred twelve thousand, one hundred six".
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