Base | Representation |
---|---|
bin | 10001100010010111… |
… | …111001000000111010 |
3 | 1210121022112022101200 |
4 | 101202113321000322 |
5 | 302031024033234 |
6 | 12352302355030 |
7 | 1234426621320 |
oct | 214227710072 |
9 | 53538468350 |
10 | 18830299194 |
11 | 7a93238543 |
12 | 379628ba76 |
13 | 1a11261695 |
14 | ca8c01d10 |
15 | 753217d99 |
hex | 4625f903a |
18830299194 has 48 divisors (see below), whose sum is σ = 46637680128. Its totient is φ = 5378900256.
The previous prime is 18830299177. The next prime is 18830299211. The reversal of 18830299194 is 49199203881.
It is an interprime number because it is at equal distance from previous prime (18830299177) and next prime (18830299211).
It is a self number, because there is not a number n which added to its sum of digits gives 18830299194.
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, 671319 + ... + 698805.
It is an arithmetic number, because the mean of its divisors is an integer number (971618336).
Almost surely, 218830299194 is an apocalyptic number.
18830299194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18830299194 is an abundant number, since it is smaller than the sum of its proper divisors (27807380934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18830299194 is a wasteful number, since it uses less digits than its factorization.
18830299194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32939 (or 32936 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 54.
It can be divided in two parts, 188302 and 99194, that added together give a cube (287496 = 663).
The spelling of 18830299194 in words is "eighteen billion, eight hundred thirty million, two hundred ninety-nine thousand, one hundred ninety-four".
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