Base | Representation |
---|---|
bin | 1101101100111011110000… |
… | …01101001101101001010000 |
3 | 10221200111220222210210022210 |
4 | 12312131320031031221100 |
5 | 12422132210322423440 |
6 | 144030030550232120 |
7 | 6226623346545264 |
oct | 666357015155120 |
9 | 127614828723283 |
10 | 30131212311120 |
11 | 96676369154a8 |
12 | 346776a055640 |
13 | 13a7490528a2b |
14 | 76250386c0a4 |
15 | 373bae2aaa80 |
hex | 1b677834da50 |
30131212311120 has 40 divisors (see below), whose sum is σ = 93406758165216. Its totient is φ = 8034989949568.
The previous prime is 30131212311107. The next prime is 30131212311131. The reversal of 30131212311120 is 2111321213103.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
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, 62773358742 + ... + 62773359221.
Almost surely, 230131212311120 is an apocalyptic number.
30131212311120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30131212311120 is an abundant number, since it is smaller than the sum of its proper divisors (63275545854096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30131212311120 is a wasteful number, since it uses less digits than its factorization.
30131212311120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125546717979 (or 125546717973 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 30131212311120 its reverse (2111321213103), we get a palindrome (32242533524223).
The spelling of 30131212311120 in words is "thirty trillion, one hundred thirty-one billion, two hundred twelve million, three hundred eleven thousand, one hundred twenty".
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