Base | Representation |
---|---|
bin | 10101100101101100… |
… | …000011100010101100 |
3 | 2012211111220220222110 |
4 | 111211230003202230 |
5 | 334433301243030 |
6 | 14352114444020 |
7 | 1450305156411 |
oct | 254554034254 |
9 | 65744826873 |
10 | 23180884140 |
11 | 9916006397 |
12 | 45ab293610 |
13 | 22556b25bb |
14 | 119c936108 |
15 | 90a1401b0 |
hex | 565b038ac |
23180884140 has 48 divisors (see below), whose sum is σ = 68724506592. Its totient is φ = 5817947136.
The previous prime is 23180884079. The next prime is 23180884141. The reversal of 23180884140 is 4148808132.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (23180884141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11362159 + ... + 11364198.
It is an arithmetic number, because the mean of its divisors is an integer number (1431760554).
Almost surely, 223180884140 is an apocalyptic number.
23180884140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23180884140 is an abundant number, since it is smaller than the sum of its proper divisors (45543622452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23180884140 is a wasteful number, since it uses less digits than its factorization.
23180884140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22726386 (or 22726384 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The spelling of 23180884140 in words is "twenty-three billion, one hundred eighty million, eight hundred eighty-four thousand, one hundred forty".
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