Base | Representation |
---|---|
bin | 1010000010101110000… |
… | …01001101110011110100 |
3 | 1012222122122020001022102 |
4 | 11001113001031303310 |
5 | 21123134133221210 |
6 | 422303411521232 |
7 | 33633561554006 |
oct | 5012701156364 |
9 | 1188578201272 |
10 | 345057320180 |
11 | 1233799528a1 |
12 | 56a5abb9218 |
13 | 2670088c001 |
14 | 129b5252376 |
15 | 8e98170ea5 |
hex | 505704dcf4 |
345057320180 has 48 divisors (see below), whose sum is σ = 736610260176. Its totient is φ = 135739822080.
The previous prime is 345057320177. The next prime is 345057320221. The reversal of 345057320180 is 81023750543.
It can be written as a sum of positive squares in 8 ways, for example, as 37389636496 + 307667683684 = 193364^2 + 554678^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10031972 + ... + 10066308.
It is an arithmetic number, because the mean of its divisors is an integer number (15346047087).
Almost surely, 2345057320180 is an apocalyptic number.
It is an amenable number.
345057320180 is an abundant number, since it is smaller than the sum of its proper divisors (391552939996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345057320180 is a wasteful number, since it uses less digits than its factorization.
345057320180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42644 (or 42642 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 38.
The spelling of 345057320180 in words is "three hundred forty-five billion, fifty-seven million, three hundred twenty thousand, one hundred eighty".
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