Base | Representation |
---|---|
bin | 1000100000101010000101… |
… | …00111000011101001100000 |
3 | 2110021001212001100110212112 |
4 | 10100111002213003221200 |
5 | 4423103331222342423 |
6 | 103445120503414452 |
7 | 3641030360506454 |
oct | 420250247035140 |
9 | 73231761313775 |
10 | 18714290043488 |
11 | 5a6575a938046 |
12 | 2122b55a54428 |
13 | a5999991b440 |
14 | 489ac28ca664 |
15 | 226c05787a78 |
hex | 1105429c3a60 |
18714290043488 has 48 divisors (see below), whose sum is σ = 40522104342720. Its totient is φ = 8453590910976.
The previous prime is 18714290043451. The next prime is 18714290043499. The reversal of 18714290043488 is 88434009241781.
It is a super-2 number, since 2×187142900434882 (a number of 27 digits) contains 22 as substring.
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, 478557833 + ... + 478596936.
It is an arithmetic number, because the mean of its divisors is an integer number (844210507140).
Almost surely, 218714290043488 is an apocalyptic number.
It is an amenable number.
18714290043488 is an abundant number, since it is smaller than the sum of its proper divisors (21807814299232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18714290043488 is a wasteful number, since it uses less digits than its factorization.
18714290043488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957154839 (or 957154831 counting only the distinct ones).
The product of its (nonzero) digits is 12386304, while the sum is 59.
The spelling of 18714290043488 in words is "eighteen trillion, seven hundred fourteen billion, two hundred ninety million, forty-three thousand, four hundred eighty-eight".
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