Base | Representation |
---|---|
bin | 1000010011110111100001… |
… | …10000011100100111000010 |
3 | 2101201001112022221202011010 |
4 | 10021323300300130213002 |
5 | 4343403323001442442 |
6 | 102511201400101350 |
7 | 3564212216632146 |
oct | 411736060344702 |
9 | 71631468852133 |
10 | 18274830109122 |
11 | 5906348199a44 |
12 | 207194b764856 |
13 | a274030a0312 |
14 | 472713b81226 |
15 | 21a5849d6b9c |
hex | 109ef0c1c9c2 |
18274830109122 has 64 divisors (see below), whose sum is σ = 38528605440000. Its totient is φ = 5762713154688.
The previous prime is 18274830108991. The next prime is 18274830109147. The reversal of 18274830109122 is 22190103847281.
It is a super-2 number, since 2×182748301091222 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226697379 + ... + 226777977.
It is an arithmetic number, because the mean of its divisors is an integer number (602009460000).
Almost surely, 218274830109122 is an apocalyptic number.
18274830109122 is an abundant number, since it is smaller than the sum of its proper divisors (20253775330878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18274830109122 is a wasteful number, since it uses less digits than its factorization.
18274830109122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83455.
The product of its (nonzero) digits is 387072, while the sum is 48.
The spelling of 18274830109122 in words is "eighteen trillion, two hundred seventy-four billion, eight hundred thirty million, one hundred nine thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •