Base | Representation |
---|---|
bin | 1000001110110111010011… |
… | …01100111011011011100010 |
3 | 2101002121210010200111101100 |
4 | 10013123221230323123202 |
5 | 4333044231220220214 |
6 | 102300210301015230 |
7 | 3545615030033235 |
oct | 407335154733342 |
9 | 71077703614340 |
10 | 18102913054434 |
11 | 584a44752825a |
12 | 2044570b54516 |
13 | a14135c20a60 |
14 | 46828568141c |
15 | 215d71c10309 |
hex | 1076e9b3b6e2 |
18102913054434 has 48 divisors (see below), whose sum is σ = 42749047740672. Its totient is φ = 5503017122784.
The previous prime is 18102913054411. The next prime is 18102913054441. The reversal of 18102913054434 is 43445031920181.
18102913054434 is a `hidden beast` number, since 1 + 8 + 10 + 2 + 91 + 3 + 0 + 544 + 3 + 4 = 666.
It is a super-2 number, since 2×181029130544342 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 18102913054434.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466022002 + ... + 466060845.
It is an arithmetic number, because the mean of its divisors is an integer number (890605161264).
Almost surely, 218102913054434 is an apocalyptic number.
18102913054434 is an abundant number, since it is smaller than the sum of its proper divisors (24646134686238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18102913054434 is a wasteful number, since it uses less digits than its factorization.
18102913054434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932082951 (or 932082948 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 18102913054434 in words is "eighteen trillion, one hundred two billion, nine hundred thirteen million, fifty-four thousand, four hundred thirty-four".
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