Search a number
-
+
18248003235 = 325711172313469
BaseRepresentation
bin10000111111101010…
…100110111010100011
31202002201211121111200
4100333222212322203
5244332442100420
612214422012243
71214126316420
oct207752467243
952081747450
1018248003235
117814581a10
123653277083
13194a724167
14c51746d47
1571c045b90
hex43faa6ea3

18248003235 has 192 divisors, whose sum is σ = 43572971520. Its totient is φ = 6826659840.

The previous prime is 18248003227. The next prime is 18248003251. The reversal of 18248003235 is 53230084281.

It is not a de Polignac number, because 18248003235 - 23 = 18248003227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18248003235.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1348081 + ... + 1361549.

It is an arithmetic number, because the mean of its divisors is an integer number (226942560).

Almost surely, 218248003235 is an apocalyptic number.

18248003235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18248003235 is an abundant number, since it is smaller than the sum of its proper divisors (25324968285).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18248003235 is a wasteful number, since it uses less digits than its factorization.

18248003235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538 (or 13535 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 18248003235 in words is "eighteen billion, two hundred forty-eight million, three thousand, two hundred thirty-five".