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18041664704 = 2673153127193
BaseRepresentation
bin10000110011010111…
…011111010011000000
31201120100120112020212
4100303113133103000
5243422131232304
612142131253252
71206042422360
oct206327372300
951510515225
1018041664704
11771905a7a8
1235b614a228
131916a5aa5b
14c321949a0
15708d8866e
hex4335df4c0

18041664704 has 224 divisors, whose sum is σ = 43596251136. Its totient is φ = 7245987840.

The previous prime is 18041664677. The next prime is 18041664713. The reversal of 18041664704 is 40746614081.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93480032 + ... + 93480224.

Almost surely, 218041664704 is an apocalyptic number.

18041664704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18041664704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21798125568).

18041664704 is an abundant number, since it is smaller than the sum of its proper divisors (25554586432).

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

18041664704 is a wasteful number, since it uses less digits than its factorization.

18041664704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 18041664704 in words is "eighteen billion, forty-one million, six hundred sixty-four thousand, seven hundred four".