Base | Representation |
---|---|
bin | 1110001111110101000100… |
… | …00110100111111110100110 |
3 | 11002221010202021120020110022 |
4 | 13013322202012213332212 |
5 | 13101303233020241010 |
6 | 150344522243355142 |
7 | 6412350560245166 |
oct | 707724206477646 |
9 | 132833667506408 |
10 | 31330211102630 |
11 | 9a8a082432860 |
12 | 3620008382ab2 |
13 | 146357057247b |
14 | 7a45670125a6 |
15 | 394e86126d55 |
hex | 1c7ea21a7fa6 |
31330211102630 has 16 divisors (see below), whose sum is σ = 61521141801744. Its totient is φ = 11392804037280.
The previous prime is 31330211102569. The next prime is 31330211102689. The reversal of 31330211102630 is 3620111203313.
It is a self number, because there is not a number n which added to its sum of digits gives 31330211102630.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142410050357 + ... + 142410050576.
It is an arithmetic number, because the mean of its divisors is an integer number (3845071362609).
Almost surely, 231330211102630 is an apocalyptic number.
31330211102630 is a deficient number, since it is larger than the sum of its proper divisors (30190930699114).
31330211102630 is a wasteful number, since it uses less digits than its factorization.
31330211102630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284820100951.
The product of its (nonzero) digits is 1944, while the sum is 26.
Adding to 31330211102630 its reverse (3620111203313), we get a palindrome (34950322305943).
The spelling of 31330211102630 in words is "thirty-one trillion, three hundred thirty billion, two hundred eleven million, one hundred two thousand, six hundred thirty".
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