Base | Representation |
---|---|
bin | 1001001111010000001000… |
… | …00010110101011100001100 |
3 | 2122221010020121201111122202 |
4 | 10213220010002311130030 |
5 | 10130321124332141444 |
6 | 111112411505501032 |
7 | 4164505105465220 |
oct | 447500402653414 |
9 | 78833217644582 |
10 | 20315263162124 |
11 | 6522722489a07 |
12 | 2341298641778 |
13 | b4494b32c008 |
14 | 50339a528780 |
15 | 2536a74dd34e |
hex | 127a040b570c |
20315263162124 has 12 divisors (see below), whose sum is σ = 40630526324304. Its totient is φ = 8706541355184.
The previous prime is 20315263162123. The next prime is 20315263162141. The reversal of 20315263162124 is 42126136251302.
20315263162124 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (20315263162121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362772556439 + ... + 362772556494.
It is an arithmetic number, because the mean of its divisors is an integer number (3385877193692).
Almost surely, 220315263162124 is an apocalyptic number.
It is an amenable number.
20315263162124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20315263162124 is a wasteful number, since it uses less digits than its factorization.
20315263162124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725545112944 (or 725545112942 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 38.
The spelling of 20315263162124 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-three million, one hundred sixty-two thousand, one hundred twenty-four".
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