Base | Representation |
---|---|
bin | 110010001101100101… |
… | …101010001011000000 |
3 | 12011011102201012000000 |
4 | 302031211222023000 |
5 | 1340404224121242 |
6 | 40433535000000 |
7 | 3616031336316 |
oct | 621545521300 |
9 | 164142635000 |
10 | 53915067072 |
11 | 20957716979 |
12 | a548069000 |
13 | 5112bc4969 |
14 | 28766960b6 |
15 | 160843ea4c |
hex | c8d96a2c0 |
53915067072 has 196 divisors, whose sum is σ = 165587086656. Its totient is φ = 17391490560.
The previous prime is 53915066951. The next prime is 53915067079. The reversal of 53915067072 is 27076051935.
53915067072 is a `hidden beast` number, since 5 + 3 + 9 + 1 + 506 + 70 + 72 = 666.
It is not an unprimeable number, because it can be changed into a prime (53915067079) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1427698 + ... + 1464974.
Almost surely, 253915067072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53915067072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82793543328).
53915067072 is an abundant number, since it is smaller than the sum of its proper divisors (111672019584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53915067072 is an equidigital number, since it uses as much as digits as its factorization.
53915067072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37338 (or 37313 counting only the distinct ones).
The product of its (nonzero) digits is 396900, while the sum is 45.
The spelling of 53915067072 in words is "fifty-three billion, nine hundred fifteen million, sixty-seven thousand, seventy-two".
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