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18225896514 = 237448396799
BaseRepresentation
bin10000111110010110…
…010001110001000010
31202001012020110210020
4100332112101301002
5244311312142024
612212312114310
71213440364350
oct207626216102
952035213706
1018225896514
1178030528a1
123647995996
131945c83b67
14c4c8307d0
1571a12a979
hex43e591c42

18225896514 has 32 divisors (see below), whose sum is σ = 41668915200. Its totient is φ = 5206183632.

The previous prime is 18225896483. The next prime is 18225896561. The reversal of 18225896514 is 41569852281.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139887 + ... + 236685.

It is an arithmetic number, because the mean of its divisors is an integer number (1302153600).

Almost surely, 218225896514 is an apocalyptic number.

18225896514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18225896514 is an abundant number, since it is smaller than the sum of its proper divisors (23443018686).

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

18225896514 is a wasteful number, since it uses less digits than its factorization.

18225896514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101294.

The product of its digits is 1382400, while the sum is 51.

The spelling of 18225896514 in words is "eighteen billion, two hundred twenty-five million, eight hundred ninety-six thousand, five hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 4483 8966 13449 26898 31381 62762 94143 96799 188286 193598 290397 580794 677593 1355186 2032779 4065558 433949917 867899834 1301849751 2603699502 3037649419 6075298838 9112948257 18225896514