Base | Representation |
---|---|
bin | 101111000100010000… |
… | …011101000101011001 |
3 | 11211110000211020020100 |
4 | 233010100131011121 |
5 | 1312000021204100 |
6 | 35114433250013 |
7 | 3436234601100 |
oct | 570420350531 |
9 | 154400736210 |
10 | 50537288025 |
11 | 1a483a88544 |
12 | 9964a03909 |
13 | 49c517c133 |
14 | 2635c31037 |
15 | 14abb26400 |
hex | bc441d159 |
50537288025 has 81 divisors (see below), whose sum is σ = 105345534333. Its totient is φ = 23091969600.
The previous prime is 50537287967. The next prime is 50537288063. The reversal of 50537288025 is 52088273505.
The square root of 50537288025 is 224805.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 8666306649 + 41870981376 = 93093^2 + 204624^2 .
It is not a de Polignac number, because 50537288025 - 29 = 50537287513 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 23603455 + ... + 23605595.
Almost surely, 250537288025 is an apocalyptic number.
50537288025 is the 224805-th square number.
50537288025 is the 112403-rd centered octagonal number.
It is an amenable number.
50537288025 is an abundant number, since it is smaller than the sum of its proper divisors (54808246308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50537288025 is an equidigital number, since it uses as much as digits as its factorization.
50537288025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4312 (or 2156 counting only the distinct ones).
The product of its (nonzero) digits is 672000, while the sum is 45.
The spelling of 50537288025 in words is "fifty billion, five hundred thirty-seven million, two hundred eighty-eight thousand, twenty-five".
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