Base | Representation |
---|---|
bin | 10101011011110011… |
… | …111111011001110100 |
3 | 2012101222010220100012 |
4 | 111123303333121310 |
5 | 334113342122210 |
6 | 14323435235352 |
7 | 1443223622441 |
oct | 253363773164 |
9 | 65358126305 |
10 | 23015192180 |
11 | 9840526592 |
12 | 45638a8b58 |
13 | 222a27b116 |
14 | 11849249c8 |
15 | 8ea811305 |
hex | 55bcff674 |
23015192180 has 24 divisors (see below), whose sum is σ = 49360243968. Its totient is φ = 9010202528.
The previous prime is 23015192159. The next prime is 23015192197. The reversal of 23015192180 is 8129151032.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12241184 + ... + 12243063.
It is an arithmetic number, because the mean of its divisors is an integer number (2056676832).
Almost surely, 223015192180 is an apocalyptic number.
23015192180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23015192180 is an abundant number, since it is smaller than the sum of its proper divisors (26345051788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23015192180 is a wasteful number, since it uses less digits than its factorization.
23015192180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24484303 (or 24484301 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 32.
The spelling of 23015192180 in words is "twenty-three billion, fifteen million, one hundred ninety-two thousand, one hundred eighty".
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