Search a number
-
+
18006343300 = 22521116369403
BaseRepresentation
bin10000110001010000…
…101111111010000100
31201110220010000101201
4100301100233322010
5243334110441200
612134430232244
71205133251461
oct206120577204
951426100351
1018006343300
117700125260
1235a6355684
13190c64190a
14c2b5dc668
15705c0cc6a
hex43142fe84

18006343300 has 36 divisors (see below), whose sum is σ = 42625928016. Its totient is φ = 6547760800.

The previous prime is 18006343261. The next prime is 18006343309. The reversal of 18006343300 is 334360081.

It is not an unprimeable number, because it can be changed into a prime (18006343309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8183602 + ... + 8185801.

It is an arithmetic number, because the mean of its divisors is an integer number (1184053556).

Almost surely, 218006343300 is an apocalyptic number.

18006343300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18006343300 is an abundant number, since it is smaller than the sum of its proper divisors (24619584716).

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

18006343300 is a wasteful number, since it uses less digits than its factorization.

18006343300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369428 (or 16369421 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 18006343300 in words is "eighteen billion, six million, three hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 16369403 32738806 65477612 81847015 163694030 180063433 327388060 360126866 409235075 720253732 818470150 900317165 1636940300 1800634330 3601268660 4501585825 9003171650 18006343300