Base | Representation |
---|---|
bin | 10101110110000010… |
… | …011011100100011100 |
3 | 2020112122001212021020 |
4 | 111312002123210130 |
5 | 341014011411210 |
6 | 14435234004140 |
7 | 1460145533040 |
oct | 256602334434 |
9 | 66478055236 |
10 | 23455185180 |
11 | 9a46927869 |
12 | 4667116650 |
13 | 229a482ccb |
14 | 11c713a020 |
15 | 924274770 |
hex | 57609b91c |
23455185180 has 96 divisors (see below), whose sum is σ = 78319954944. Its totient is φ = 5128088064.
The previous prime is 23455185163. The next prime is 23455185251. The reversal of 23455185180 is 8158155432.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204377 + ... + 1223696.
It is an arithmetic number, because the mean of its divisors is an integer number (815832864).
Almost surely, 223455185180 is an apocalyptic number.
23455185180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23455185180 is an abundant number, since it is smaller than the sum of its proper divisors (54864769764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23455185180 is a wasteful number, since it uses less digits than its factorization.
23455185180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2428115 (or 2428113 counting only the distinct ones).
The product of its (nonzero) digits is 192000, while the sum is 42.
The spelling of 23455185180 in words is "twenty-three billion, four hundred fifty-five million, one hundred eighty-five thousand, one hundred eighty".
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