Base | Representation |
---|---|
bin | 10001001001100011… |
… | …110000011001000100 |
3 | 1202112022011001201210 |
4 | 101021203300121010 |
5 | 300202434313304 |
6 | 12243111251420 |
7 | 1221213145365 |
oct | 211143603104 |
9 | 52468131653 |
10 | 18413979204 |
11 | 789a236135 |
12 | 369a979b70 |
13 | 1975c279aa |
14 | c697cdb6c |
15 | 72b8cdc89 |
hex | 4498f0644 |
18413979204 has 24 divisors (see below), whose sum is σ = 44013902688. Its totient is φ = 5988285760.
The previous prime is 18413979203. The next prime is 18413979211. The reversal of 18413979204 is 40297931481.
It is not an unprimeable number, because it can be changed into a prime (18413979203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18712902 + ... + 18713885.
It is an arithmetic number, because the mean of its divisors is an integer number (1833912612).
Almost surely, 218413979204 is an apocalyptic number.
It is an amenable number.
18413979204 is an abundant number, since it is smaller than the sum of its proper divisors (25599923484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18413979204 is a wasteful number, since it uses less digits than its factorization.
18413979204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37426835 (or 37426833 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 48.
The spelling of 18413979204 in words is "eighteen billion, four hundred thirteen million, nine hundred seventy-nine thousand, two hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •