Base | Representation |
---|---|
bin | 10011010011001100… |
… | …100010111100000000 |
3 | 1222111020021010101000 |
4 | 103103030202330000 |
5 | 314420111304332 |
6 | 13304201012000 |
7 | 1332352605444 |
oct | 232314427400 |
9 | 58436233330 |
10 | 20723150592 |
11 | 8874750841 |
12 | 4024184000 |
13 | 1c534614b1 |
14 | 1008368824 |
15 | 8144b2b7c |
hex | 4d3322f00 |
20723150592 has 72 divisors (see below), whose sum is σ = 61282022480. Its totient is φ = 6907714560.
The previous prime is 20723150561. The next prime is 20723150647. The reversal of 20723150592 is 29505132702.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492159 + ... + 1505982.
Almost surely, 220723150592 is an apocalyptic number.
It is an amenable number.
20723150592 is an abundant number, since it is smaller than the sum of its proper divisors (40558871888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20723150592 is an equidigital number, since it uses as much as digits as its factorization.
20723150592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2998166 (or 2998146 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The spelling of 20723150592 in words is "twenty billion, seven hundred twenty-three million, one hundred fifty thousand, five hundred ninety-two".
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