Base | Representation |
---|---|
bin | 1001001111010000110101… |
… | …00010101100000110111100 |
3 | 2122221011012220221220112101 |
4 | 10213220122202230012330 |
5 | 10130322412444030020 |
6 | 111112513151514444 |
7 | 4164520340655061 |
oct | 447503242540674 |
9 | 78834186856471 |
10 | 20315640611260 |
11 | 65228a6552045 |
12 | 2341382b28a24 |
13 | b449ab5a60b7 |
14 | 5033d46dcc68 |
15 | 2536ca6ea00a |
hex | 127a1a8ac1bc |
20315640611260 has 48 divisors (see below), whose sum is σ = 43822418726016. Its totient is φ = 7907383949312.
The previous prime is 20315640611237. The next prime is 20315640611293. The reversal of 20315640611260 is 6211604651302.
It is a super-3 number, since 3×203156406112603 (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 15 ways as a sum of consecutive naturals, for example, 62300917 + ... + 62626156.
It is an arithmetic number, because the mean of its divisors is an integer number (912967056792).
Almost surely, 220315640611260 is an apocalyptic number.
20315640611260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20315640611260 is an abundant number, since it is smaller than the sum of its proper divisors (23506778114756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20315640611260 is a wasteful number, since it uses less digits than its factorization.
20315640611260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124927302 (or 124927300 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The spelling of 20315640611260 in words is "twenty trillion, three hundred fifteen billion, six hundred forty million, six hundred eleven thousand, two hundred sixty".
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