Base | Representation |
---|---|
bin | 1101111011011110110000… |
… | …11101111001011000101100 |
3 | 11000110022002002101012021011 |
4 | 12331233120131321120230 |
5 | 13003324334114104120 |
6 | 145051412423315004 |
7 | 6311006545563625 |
oct | 675573035713054 |
9 | 130408062335234 |
10 | 30631043503660 |
11 | 983a6095653a6 |
12 | 35286025aba64 |
13 | 14126586c1222 |
14 | 77c79c4aca4c |
15 | 381bb5196c5a |
hex | 1bdbd877962c |
30631043503660 has 96 divisors (see below), whose sum is σ = 65274576998400. Its totient is φ = 12072963168000.
The previous prime is 30631043503609. The next prime is 30631043503663. The reversal of 30631043503660 is 6630534013603.
It is a super-2 number, since 2×306310435036602 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30631043503663) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391246879 + ... + 391325161.
It is an arithmetic number, because the mean of its divisors is an integer number (679943510400).
Almost surely, 230631043503660 is an apocalyptic number.
It is an amenable number.
30631043503660 is an abundant number, since it is smaller than the sum of its proper divisors (34643533494740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30631043503660 is a wasteful number, since it uses less digits than its factorization.
30631043503660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79391 (or 79389 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 40.
The spelling of 30631043503660 in words is "thirty trillion, six hundred thirty-one billion, forty-three million, five hundred three thousand, six hundred sixty".
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