Base | Representation |
---|---|
bin | 10001010011111110… |
… | …111111110011111101 |
3 | 1202222111021120112210 |
4 | 101103332333303331 |
5 | 301032224024123 |
6 | 12312320251033 |
7 | 1225435656420 |
oct | 212376776375 |
9 | 52874246483 |
10 | 18588892413 |
11 | 7979a44003 |
12 | 3729470a79 |
13 | 19a323a430 |
14 | c84b219b7 |
15 | 73be2ee93 |
hex | 453fbfcfd |
18588892413 has 16 divisors (see below), whose sum is σ = 30504849536. Its totient is φ = 9805129920.
The previous prime is 18588892409. The next prime is 18588892423. The reversal of 18588892413 is 31429888581.
It is not a de Polignac number, because 18588892413 - 22 = 18588892409 is a prime.
It is a super-2 number, since 2×185888924132 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18588892423) 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, 34045318 + ... + 34045863.
It is an arithmetic number, because the mean of its divisors is an integer number (1906553096).
Almost surely, 218588892413 is an apocalyptic number.
18588892413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
18588892413 is a deficient number, since it is larger than the sum of its proper divisors (11915957123).
18588892413 is a wasteful number, since it uses less digits than its factorization.
18588892413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68091204.
The product of its digits is 4423680, while the sum is 57.
The spelling of 18588892413 in words is "eighteen billion, five hundred eighty-eight million, eight hundred ninety-two thousand, four hundred thirteen".
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