Base | Representation |
---|---|
bin | 110001100000010000… |
… | …000011111110011011 |
3 | 12002012102102212022000 |
4 | 301200100003332123 |
5 | 1332330013242000 |
6 | 40230243532043 |
7 | 3561134131140 |
oct | 614020037633 |
9 | 162172385260 |
10 | 53154430875 |
11 | 205a7321717 |
12 | a37538a023 |
13 | 5021444b80 |
14 | 28036563c7 |
15 | 15b1791000 |
hex | c60403f9b |
53154430875 has 256 divisors, whose sum is σ = 127335936000. Its totient is φ = 21247142400.
The previous prime is 53154430873. The next prime is 53154430883. The reversal of 53154430875 is 57803445135.
It is a happy number.
53154430875 is a `hidden beast` number, since 5 + 3 + 1 + 544 + 30 + 8 + 75 = 666.
It is not a de Polignac number, because 53154430875 - 21 = 53154430873 is a prime.
It is a super-3 number, since 3×531544308753 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 53154430875.
It is not an unprimeable number, because it can be changed into a prime (53154430871) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5830821 + ... + 5839929.
It is an arithmetic number, because the mean of its divisors is an integer number (497406000).
Almost surely, 253154430875 is an apocalyptic number.
53154430875 is an abundant number, since it is smaller than the sum of its proper divisors (74181505125).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53154430875 is a wasteful number, since it uses less digits than its factorization.
53154430875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9172 (or 9156 counting only the distinct ones).
The product of its (nonzero) digits is 1008000, while the sum is 45.
The spelling of 53154430875 in words is "fifty-three billion, one hundred fifty-four million, four hundred thirty thousand, eight hundred seventy-five".
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