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18110833340 = 225905541667
BaseRepresentation
bin10000110111011111…
…010110001010111100
31201202011201122210012
4100313133112022330
5244042333131330
612153042002352
71210542354245
oct206737261274
951664648705
1018110833340
117754103166
1236153463b8
131928198042
14c3b43bccc
1570ee9cc95
hex4377d62bc

18110833340 has 12 divisors (see below), whose sum is σ = 38032750056. Its totient is φ = 7244333328.

The previous prime is 18110833339. The next prime is 18110833357. The reversal of 18110833340 is 4333801181.

It is a junction number, because it is equal to n+sod(n) for n = 18110833297 and 18110833306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452770814 + ... + 452770853.

It is an arithmetic number, because the mean of its divisors is an integer number (3169395838).

Almost surely, 218110833340 is an apocalyptic number.

18110833340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18110833340 is an abundant number, since it is smaller than the sum of its proper divisors (19921916716).

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

18110833340 is a wasteful number, since it uses less digits than its factorization.

18110833340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905541676 (or 905541674 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 18110833340 in words is "eighteen billion, one hundred ten million, eight hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 905541667 1811083334 3622166668 4527708335 9055416670 18110833340