Base | Representation |
---|---|
bin | 10000110001101110… |
… | …101000001011010101 |
3 | 1201111102211221210010 |
4 | 100301232220023111 |
5 | 243343112112312 |
6 | 12135310150433 |
7 | 1205256653301 |
oct | 206156501325 |
9 | 51442757703 |
10 | 18014175957 |
11 | 7704595028 |
12 | 35a8ab2419 |
13 | 1911154b1b |
14 | c2c67ad01 |
15 | 70675893c |
hex | 431ba82d5 |
18014175957 has 16 divisors (see below), whose sum is σ = 24084334080. Its totient is φ = 11976768000.
The previous prime is 18014175901. The next prime is 18014175997. The reversal of 18014175957 is 75957141081.
It is not a de Polignac number, because 18014175957 - 220 = 18013127381 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18014175997) 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, 3102457 + ... + 3108257.
It is an arithmetic number, because the mean of its divisors is an integer number (1505270880).
Almost surely, 218014175957 is an apocalyptic number.
It is an amenable number.
18014175957 is a deficient number, since it is larger than the sum of its proper divisors (6070158123).
18014175957 is a wasteful number, since it uses less digits than its factorization.
18014175957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8444.
The product of its (nonzero) digits is 352800, while the sum is 48.
The spelling of 18014175957 in words is "eighteen billion, fourteen million, one hundred seventy-five thousand, nine hundred fifty-seven".
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