Base | Representation |
---|---|
bin | 10001100000100110… |
… | …100111000011110100 |
3 | 1210112020122121101201 |
4 | 101200212213003310 |
5 | 302000423302010 |
6 | 12345322102244 |
7 | 1233616330516 |
oct | 214046470364 |
9 | 53466577351 |
10 | 18800603380 |
11 | 7a784a5649 |
12 | 378834a984 |
13 | 1a08064cb0 |
14 | ca4cb1bb6 |
15 | 7507ee23a |
hex | 4609a70f4 |
18800603380 has 48 divisors (see below), whose sum is σ = 42529616640. Its totient is φ = 6939911808.
The previous prime is 18800603377. The next prime is 18800603383. The reversal of 18800603380 is 8330600881.
It is an interprime number because it is at equal distance from previous prime (18800603377) and next prime (18800603383).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18800603383) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320741 + ... + 1334899.
It is an arithmetic number, because the mean of its divisors is an integer number (886033680).
Almost surely, 218800603380 is an apocalyptic number.
18800603380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18800603380 is an abundant number, since it is smaller than the sum of its proper divisors (23729013260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18800603380 is a wasteful number, since it uses less digits than its factorization.
18800603380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19288 (or 19286 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The spelling of 18800603380 in words is "eighteen billion, eight hundred million, six hundred three thousand, three hundred eighty".
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