Base | Representation |
---|---|
bin | 110010000101100111… |
… | …101010000000001110 |
3 | 12010211010010211010120 |
4 | 302011213222000032 |
5 | 1340121012413232 |
6 | 40412401245410 |
7 | 3612516061443 |
oct | 620547520016 |
9 | 163733124116 |
10 | 53781372942 |
11 | 20899201560 |
12 | a50b333866 |
13 | 50c12b48cb |
14 | 2862a139ca |
15 | 15eb83192c |
hex | c859ea00e |
53781372942 has 32 divisors (see below), whose sum is σ = 118197702144. Its totient is φ = 16178424000.
The previous prime is 53781372913. The next prime is 53781372943. The reversal of 53781372942 is 24927318735.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53781372943) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964934 + ... + 2983017.
It is an arithmetic number, because the mean of its divisors is an integer number (3693678192).
Almost surely, 253781372942 is an apocalyptic number.
53781372942 is an abundant number, since it is smaller than the sum of its proper divisors (64416329202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53781372942 is a wasteful number, since it uses less digits than its factorization.
53781372942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5948104.
The product of its digits is 2540160, while the sum is 51.
The spelling of 53781372942 in words is "fifty-three billion, seven hundred eighty-one million, three hundred seventy-two thousand, nine hundred forty-two".
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