Base | Representation |
---|---|
bin | 101111001010101100… |
… | …010011011110111001 |
3 | 11211201112222101000000 |
4 | 233022230103132321 |
5 | 1312210141031100 |
6 | 35133251303213 |
7 | 3442015352664 |
oct | 571254233671 |
9 | 154645871000 |
10 | 50645252025 |
11 | 1a529a19495 |
12 | 9994baab09 |
13 | 4a11650864 |
14 | 26462d66db |
15 | 14b6350900 |
hex | bcab137b9 |
50645252025 has 63 divisors (see below), whose sum is σ = 94213612831. Its totient is φ = 26994597840.
The previous prime is 50645252003. The next prime is 50645252033. The reversal of 50645252025 is 52025254605.
The square root of 50645252025 is 225045.
It is a perfect power (a square), and thus also a powerful number.
50645252025 is a `hidden beast` number, since 5 + 0 + 64 + 52 + 520 + 25 = 666.
It can be written as a sum of positive squares in only one way, i.e., 18232290729 + 32412961296 = 135027^2 + 180036^2 .
It is not a de Polignac number, because 50645252025 - 231 = 48497768377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 30380242 + ... + 30381908.
Almost surely, 250645252025 is an apocalyptic number.
50645252025 is the 225045-th square number.
50645252025 is the 112523-rd centered octagonal number.
It is an amenable number.
50645252025 is a deficient number, since it is larger than the sum of its proper divisors (43568360806).
50645252025 is an frugal number, since it uses more digits than its factorization.
50645252025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3362 (or 1675 counting only the distinct ones).
The product of its (nonzero) digits is 120000, while the sum is 36.
Multiplying 50645252025 by its sum of digits (36), we get a square (1823229072900 = 13502702).
The spelling of 50645252025 in words is "fifty billion, six hundred forty-five million, two hundred fifty-two thousand, twenty-five".
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