Base | Representation |
---|---|
bin | 11101000100010000… |
… | …111001010001001010 |
3 | 2222120002012211210021 |
4 | 131010100321101022 |
5 | 1002404233110014 |
6 | 22200535411054 |
7 | 2153262024160 |
oct | 350420712112 |
9 | 88502184707 |
10 | 31210050634 |
11 | 12266294a84 |
12 | 6070223a8a |
13 | 2c34c981a9 |
14 | 1721033230 |
15 | c29e9c624 |
hex | 74443944a |
31210050634 has 32 divisors (see below), whose sum is σ = 55096626816. Its totient is φ = 12979258560.
The previous prime is 31210050611. The next prime is 31210050653. The reversal of 31210050634 is 43605001213.
It is a junction number, because it is equal to n+sod(n) for n = 31210050599 and 31210050608.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112449 + ... + 273979.
It is an arithmetic number, because the mean of its divisors is an integer number (1721769588).
Almost surely, 231210050634 is an apocalyptic number.
31210050634 is a deficient number, since it is larger than the sum of its proper divisors (23886576182).
31210050634 is a wasteful number, since it uses less digits than its factorization.
31210050634 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161950.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 31210050634 its reverse (43605001213), we get a palindrome (74815051847).
The spelling of 31210050634 in words is "thirty-one billion, two hundred ten million, fifty thousand, six hundred thirty-four".
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