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18011122824 = 233750463451
BaseRepresentation
bin10000110001100010…
…111110110010001000
31201111020002211200010
4100301202332302020
5243341321412244
612135120511520
71205222006112
oct206142766210
951436084603
1018011122824
11770289a182
1235a7a7b5a0
131910626236
14c2c0c43b2
15706353eb9
hex4318bec88

18011122824 has 16 divisors (see below), whose sum is σ = 45027807120. Its totient is φ = 6003707600.

The previous prime is 18011122783. The next prime is 18011122879. The reversal of 18011122824 is 42822111081.

It is a junction number, because it is equal to n+sod(n) for n = 18011122791 and 18011122800.

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, 375231702 + ... + 375231749.

It is an arithmetic number, because the mean of its divisors is an integer number (2814237945).

Almost surely, 218011122824 is an apocalyptic number.

It is an amenable number.

18011122824 is an abundant number, since it is smaller than the sum of its proper divisors (27016684296).

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

18011122824 is a wasteful number, since it uses less digits than its factorization.

18011122824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750463460 (or 750463456 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The spelling of 18011122824 in words is "eighteen billion, eleven million, one hundred twenty-two thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 750463451 1500926902 2251390353 3001853804 4502780706 6003707608 9005561412 18011122824