Base | Representation |
---|---|
bin | 1001011010100011110… |
… | …0000011011100000000 |
3 | 120110111111121002012002 |
4 | 2112220330003130000 |
5 | 10122230003324320 |
6 | 202150035123132 |
7 | 14454161131061 |
oct | 2265074033400 |
9 | 513444532162 |
10 | 161748104960 |
11 | 62662652302 |
12 | 274211434a8 |
13 | 12339489b60 |
14 | 7b85b5c568 |
15 | 431a194675 |
hex | 25a8f03700 |
161748104960 has 72 divisors (see below), whose sum is σ = 417240166560. Its totient is φ = 59722371072.
The previous prime is 161748104951. The next prime is 161748104977. The reversal of 161748104960 is 69401847161.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843580 + ... + 4876859.
Almost surely, 2161748104960 is an apocalyptic number.
161748104960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
161748104960 is an abundant number, since it is smaller than the sum of its proper divisors (255492061600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161748104960 is an equidigital number, since it uses as much as digits as its factorization.
161748104960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9720473 (or 9720459 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 47.
The spelling of 161748104960 in words is "one hundred sixty-one billion, seven hundred forty-eight million, one hundred four thousand, nine hundred sixty".
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