Base | Representation |
---|---|
bin | 1110101111110010000… |
… | …1111111011011101000 |
3 | 220012221001001222010122 |
4 | 3223330201333123220 |
5 | 13122322241402133 |
6 | 312215055502412 |
7 | 24206056611443 |
oct | 3537441773350 |
9 | 805831058118 |
10 | 253344872168 |
11 | 98496637213 |
12 | 41124827a08 |
13 | 1ab760525ab |
14 | c394b4c65a |
15 | 68cb7d2498 |
hex | 3afc87f6e8 |
253344872168 has 32 divisors (see below), whose sum is σ = 477474860160. Its totient is φ = 126019914240.
The previous prime is 253344872093. The next prime is 253344872177. The reversal of 253344872168 is 861278443352.
It is a super-2 number, since 2×2533448721682 (a number of 24 digits) contains 22 as substring.
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, 1113071 + ... + 1321217.
It is an arithmetic number, because the mean of its divisors is an integer number (14921089380).
Almost surely, 2253344872168 is an apocalyptic number.
It is an amenable number.
253344872168 is a deficient number, since it is larger than the sum of its proper divisors (224129987992).
253344872168 is a wasteful number, since it uses less digits than its factorization.
253344872168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208937 (or 208933 counting only the distinct ones).
The product of its digits is 7741440, while the sum is 53.
The spelling of 253344872168 in words is "two hundred fifty-three billion, three hundred forty-four million, eight hundred seventy-two thousand, one hundred sixty-eight".
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