Base | Representation |
---|---|
bin | 1110000101011010110011… |
… | …01111100011011100000000 |
3 | 11001122221110210212211211100 |
4 | 13002231121233203130000 |
5 | 13024423202242401400 |
6 | 145512324334414400 |
7 | 6344455535025630 |
oct | 702553157433400 |
9 | 131587423784740 |
10 | 30972514809600 |
11 | 9961408181661 |
12 | 3582820661400 |
13 | 1438907358c00 |
14 | 7911133726c0 |
15 | 38a9ed5ba100 |
hex | 1c2b59be3700 |
30972514809600 has 3888 divisors, whose sum is σ = 147607502515200. Its totient is φ = 6047294423040.
The previous prime is 30972514809527. The next prime is 30972514809629. The reversal of 30972514809600 is 690841527903.
30972514809600 is a `hidden beast` number, since 3 + 0 + 9 + 7 + 25 + 1 + 4 + 8 + 0 + 9 + 600 = 666.
It is a super-3 number, since 3×309725148096003 (a number of 41 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 60849734146 + ... + 60849734654.
It is a 1-persistent number, because it is pandigital, but 2⋅30972514809600 = 61945029619200 is not.
Almost surely, 230972514809600 is an apocalyptic number.
30972514809600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30972514809600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73803751257600).
30972514809600 is an abundant number, since it is smaller than the sum of its proper divisors (116634987705600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30972514809600 is a wasteful number, since it uses less digits than its factorization.
30972514809600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 640 (or 605 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 30972514809600 in words is "thirty trillion, nine hundred seventy-two billion, five hundred fourteen million, eight hundred nine thousand, six hundred".
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