Base | Representation |
---|---|
bin | 110001011110100000… |
… | …110000110100100000 |
3 | 12002010101112112202000 |
4 | 301132200300310200 |
5 | 1332300031120212 |
6 | 40223322324000 |
7 | 3560331132465 |
oct | 613640606440 |
9 | 162111475660 |
10 | 53125254432 |
11 | 20591903a58 |
12 | a367659600 |
13 | 501839a9c3 |
14 | 27dd81d66c |
15 | 15ade2b1dc |
hex | c5e830d20 |
53125254432 has 96 divisors (see below), whose sum is σ = 155876918400. Its totient is φ = 17602331904.
The previous prime is 53125254431. The next prime is 53125254451. The reversal of 53125254432 is 23445252135.
53125254432 is a `hidden beast` number, since 5 + 31 + 2 + 52 + 544 + 32 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (53125254431) 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, 39807 + ... + 328382.
It is an arithmetic number, because the mean of its divisors is an integer number (1623717900).
Almost surely, 253125254432 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 53125254432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77938459200).
53125254432 is an abundant number, since it is smaller than the sum of its proper divisors (102751663968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53125254432 is a wasteful number, since it uses less digits than its factorization.
53125254432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368375 (or 368361 counting only the distinct ones).
The product of its digits is 144000, while the sum is 36.
The spelling of 53125254432 in words is "fifty-three billion, one hundred twenty-five million, two hundred fifty-four thousand, four hundred thirty-two".
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