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18412233393 = 310975594723
BaseRepresentation
bin10001001001011101…
…000110001010110001
31202112011212100221010
4101021131012022301
5300202012432033
612243010021133
71221162254511
oct211135061261
952464770833
1018412233393
117899253514
12369a2777a9
131975766178
14c69497841
1572b686863
hex4497462b1

18412233393 has 8 divisors (see below), whose sum is σ = 24572027808. Its totient is φ = 12263630624.

The previous prime is 18412233379. The next prime is 18412233419. The reversal of 18412233393 is 39333221481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18412233393 - 214 = 18412217009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18412233193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794071 + ... + 2800652.

It is an arithmetic number, because the mean of its divisors is an integer number (3071503476).

Almost surely, 218412233393 is an apocalyptic number.

It is an amenable number.

18412233393 is a deficient number, since it is larger than the sum of its proper divisors (6159794415).

18412233393 is a wasteful number, since it uses less digits than its factorization.

18412233393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595823.

The product of its digits is 93312, while the sum is 39.

The spelling of 18412233393 in words is "eighteen billion, four hundred twelve million, two hundred thirty-three thousand, three hundred ninety-three".

Divisors: 1 3 1097 3291 5594723 16784169 6137411131 18412233393