Base | Representation |
---|---|
bin | 10001100011011101… |
… | …111010111010000110 |
3 | 1210122121001222121112 |
4 | 101203131322322012 |
5 | 302100224011110 |
6 | 12354200045022 |
7 | 1235041640600 |
oct | 214335727206 |
9 | 53577058545 |
10 | 18848657030 |
11 | 7aa2637005 |
12 | 37a0463772 |
13 | 1a14cbb4c8 |
14 | cab420170 |
15 | 754b42405 |
hex | 46377ae86 |
18848657030 has 24 divisors (see below), whose sum is σ = 39466780848. Its totient is φ = 6462396528.
The previous prime is 18848656991. The next prime is 18848657041. The reversal of 18848657030 is 3075684881.
It is a self number, because there is not a number n which added to its sum of digits gives 18848657030.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19232834 + ... + 19233813.
It is an arithmetic number, because the mean of its divisors is an integer number (1644449202).
Almost surely, 218848657030 is an apocalyptic number.
18848657030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18848657030 is an abundant number, since it is smaller than the sum of its proper divisors (20618123818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18848657030 is a wasteful number, since it uses less digits than its factorization.
18848657030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38466668 (or 38466661 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 50.
The spelling of 18848657030 in words is "eighteen billion, eight hundred forty-eight million, six hundred fifty-seven thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •