Base | Representation |
---|---|
bin | 1001011000001111010100… |
… | …11010101010000100111011 |
3 | 2201000122022221212011112210 |
4 | 10230013222122222010323 |
5 | 10200401044114012411 |
6 | 111510322314110203 |
7 | 4226016462462534 |
oct | 454075232520473 |
9 | 81018287764483 |
10 | 20624070844731 |
11 | 663168a361542 |
12 | 23910bb71b363 |
13 | b67ac2b13723 |
14 | 5142d32dd68b |
15 | 25b72d03aca6 |
hex | 12c1ea6aa13b |
20624070844731 has 32 divisors (see below), whose sum is σ = 28138339934208. Its totient is φ = 13430737506080.
The previous prime is 20624070844697. The next prime is 20624070844781. The reversal of 20624070844731 is 13744807042602.
It is a cyclic number.
It is not a de Polignac number, because 20624070844731 - 27 = 20624070844603 is a prime.
It is a super-2 number, since 2×206240708447312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20624070844781) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379293976 + ... + 379348346.
It is an arithmetic number, because the mean of its divisors is an integer number (879323122944).
Almost surely, 220624070844731 is an apocalyptic number.
20624070844731 is a deficient number, since it is larger than the sum of its proper divisors (7514269089477).
20624070844731 is a wasteful number, since it uses less digits than its factorization.
20624070844731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59591.
The product of its (nonzero) digits is 1806336, while the sum is 48.
The spelling of 20624070844731 in words is "twenty trillion, six hundred twenty-four billion, seventy million, eight hundred forty-four thousand, seven hundred thirty-one".
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