Base | Representation |
---|---|
bin | 11001101101000101… |
… | …11111110110010100 |
3 | 1022121202012222012210 |
4 | 30312202333312110 |
5 | 211230302432342 |
6 | 10201210513420 |
7 | 665656312116 |
oct | 146642776624 |
9 | 38552188183 |
10 | 13800045972 |
11 | 5941847879 |
12 | 2811735870 |
13 | 13bc06c79b |
14 | 94cb073b6 |
15 | 55b7d779c |
hex | 3368bfd94 |
13800045972 has 24 divisors (see below), whose sum is σ = 32244912000. Its totient is φ = 4593614656.
The previous prime is 13800045947. The next prime is 13800046003. The reversal of 13800045972 is 27954000831.
It is a self number, because there is not a number n which added to its sum of digits gives 13800045972.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791097 + ... + 808352.
It is an arithmetic number, because the mean of its divisors is an integer number (1343538000).
Almost surely, 213800045972 is an apocalyptic number.
13800045972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13800045972 is an abundant number, since it is smaller than the sum of its proper divisors (18444866028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13800045972 is a wasteful number, since it uses less digits than its factorization.
13800045972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1600175 (or 1600173 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 13800045972 in words is "thirteen billion, eight hundred million, forty-five thousand, nine hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •