Base | Representation |
---|---|
bin | 1101111100111010111000… |
… | …10101111011001111100110 |
3 | 11000122000201211201101101120 |
4 | 12332131130111323033212 |
5 | 13010132131131200021 |
6 | 145130232153434410 |
7 | 6314410256425566 |
oct | 676353425731746 |
9 | 130560654641346 |
10 | 30680500646886 |
11 | 985958885a092 |
12 | 353610570ba06 |
13 | 141720ab51c0c |
14 | 780d30a8cda6 |
15 | 38310c05a2c6 |
hex | 1be75c57b3e6 |
30680500646886 has 16 divisors (see below), whose sum is σ = 61361171565168. Its totient is φ = 10226805170400.
The previous prime is 30680500646869. The next prime is 30680500646899. The reversal of 30680500646886 is 68864600508603.
It is a happy number.
It is a super-2 number, since 2×306805006468862 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4689505 + ... + 9129756.
It is an arithmetic number, because the mean of its divisors is an integer number (3835073222823).
Almost surely, 230680500646886 is an apocalyptic number.
30680500646886 is an abundant number, since it is smaller than the sum of its proper divisors (30680670918282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30680500646886 is a wasteful number, since it uses less digits than its factorization.
30680500646886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14189287.
The product of its (nonzero) digits is 39813120, while the sum is 60.
The spelling of 30680500646886 in words is "thirty trillion, six hundred eighty billion, five hundred million, six hundred forty-six thousand, eight hundred eighty-six".
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