Base | Representation |
---|---|
bin | 1000010100111110000111… |
… | …10001000110010101001000 |
3 | 2101211200100122022020112220 |
4 | 10022133003301012111020 |
5 | 4400013432340322302 |
6 | 102540430234334040 |
7 | 3600023343526566 |
oct | 412370361062510 |
9 | 71750318266486 |
10 | 18312730010952 |
11 | 5920426752163 |
12 | 207916828a320 |
13 | a2ab6302c130 |
14 | 4744ab478a36 |
15 | 21b551e374bc |
hex | 10a7c3c46548 |
18312730010952 has 64 divisors (see below), whose sum is σ = 49304880166080. Its totient is φ = 5634528867072.
The previous prime is 18312730010917. The next prime is 18312730011007. The reversal of 18312730010952 is 25901003721381.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10631718 + ... + 12233514.
It is an arithmetic number, because the mean of its divisors is an integer number (770388752595).
Almost surely, 218312730010952 is an apocalyptic number.
18312730010952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18312730010952 is an abundant number, since it is smaller than the sum of its proper divisors (30992150155128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18312730010952 is a wasteful number, since it uses less digits than its factorization.
18312730010952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1638462 (or 1638458 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The spelling of 18312730010952 in words is "eighteen trillion, three hundred twelve billion, seven hundred thirty million, ten thousand, nine hundred fifty-two".
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