Base | Representation |
---|---|
bin | 1101101101000111111110… |
… | …11100011011000111100000 |
3 | 10221201010212102220101022000 |
4 | 12312203333130123013200 |
5 | 12422234131201034140 |
6 | 144033034145044000 |
7 | 6230245121601210 |
oct | 666437734330740 |
9 | 127633772811260 |
10 | 30137776189920 |
11 | 966a3a4a72823 |
12 | 3468aa0326600 |
13 | 13a7c98384199 |
14 | 762967500240 |
15 | 373e45678a30 |
hex | 1b68ff71b1e0 |
30137776189920 has 192 divisors, whose sum is σ = 120551104880640. Its totient is φ = 6888634550784.
The previous prime is 30137776189901. The next prime is 30137776189957. The reversal of 30137776189920 is 2998167773103.
30137776189920 is a `hidden beast` number, since 3 + 0 + 1 + 3 + 7 + 7 + 7 + 618 + 9 + 9 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498279552 + ... + 498340031.
It is an arithmetic number, because the mean of its divisors is an integer number (627870337920).
Almost surely, 230137776189920 is an apocalyptic number.
30137776189920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30137776189920 is an abundant number, since it is smaller than the sum of its proper divisors (90413328690720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30137776189920 is a wasteful number, since it uses less digits than its factorization.
30137776189920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 996619614 (or 996619600 counting only the distinct ones).
The product of its (nonzero) digits is 24004512, while the sum is 63.
The spelling of 30137776189920 in words is "thirty trillion, one hundred thirty-seven billion, seven hundred seventy-six million, one hundred eighty-nine thousand, nine hundred twenty".
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