Base | Representation |
---|---|
bin | 110001101110111111… |
… | …000110111111100000 |
3 | 12002211122121122100121 |
4 | 301232333012333200 |
5 | 1333331310120044 |
6 | 40310554330024 |
7 | 3600225331120 |
oct | 615677067740 |
9 | 162748548317 |
10 | 53401645024 |
11 | 20713922332 |
12 | a424129914 |
13 | 5060720530 |
14 | 2828408c80 |
15 | 15c8324984 |
hex | c6efc6fe0 |
53401645024 has 192 divisors, whose sum is σ = 138784181760. Its totient is φ = 19635333120.
The previous prime is 53401645013. The next prime is 53401645049. The reversal of 53401645024 is 42054610435.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2923279 + ... + 2941489.
It is an arithmetic number, because the mean of its divisors is an integer number (722834280).
Almost surely, 253401645024 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 53401645024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69392090880).
53401645024 is an abundant number, since it is smaller than the sum of its proper divisors (85382536736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53401645024 is a wasteful number, since it uses less digits than its factorization.
53401645024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18313 (or 18305 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 34.
The spelling of 53401645024 in words is "fifty-three billion, four hundred one million, six hundred forty-five thousand, twenty-four".
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