Base | Representation |
---|---|
bin | 110001110010000001… |
… | …111111001000000000 |
3 | 12002222012202001222100 |
4 | 301302001333020000 |
5 | 1333432344342010 |
6 | 40320021310400 |
7 | 3601415500353 |
oct | 616201771000 |
9 | 162865661870 |
10 | 53452730880 |
11 | 2073a74494a |
12 | a439265400 |
13 | 506b198c53 |
14 | 283110629a |
15 | 15cca662c0 |
hex | c7207f200 |
53452730880 has 120 divisors (see below), whose sum is σ = 185121920412. Its totient is φ = 14254055424.
The previous prime is 53452730867. The next prime is 53452730923. The reversal of 53452730880 is 8803725435.
53452730880 is a `hidden beast` number, since 53 + 452 + 73 + 0 + 8 + 80 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 51830896896 + 1621833984 = 227664^2 + 40272^2 .
It is a tau number, because it is divible by the number of its divisors (120).
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 11 ways as a sum of consecutive naturals, for example, 1136959 + ... + 1183038.
Almost surely, 253452730880 is an apocalyptic number.
It is an amenable number.
53452730880 is an abundant number, since it is smaller than the sum of its proper divisors (131669189532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53452730880 is a wasteful number, since it uses less digits than its factorization.
53452730880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2320026 (or 2320007 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 45.
The spelling of 53452730880 in words is "fifty-three billion, four hundred fifty-two million, seven hundred thirty thousand, eight hundred eighty".
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