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38884686090 = 2351296156203
BaseRepresentation
bin100100001101101101…
…010011100100001010
310201100221101201102220
4210031231103210022
51114113434423330
625510253434510
72544412243515
oct441555234412
9121327351386
1038884686090
1115544434208
12765249ba36
133888c9c3c3
141c4c403d7c
151028b28710
hex90db5390a

38884686090 has 16 divisors (see below), whose sum is σ = 93323246688. Its totient is φ = 10369249616.

The previous prime is 38884686089. The next prime is 38884686133. The reversal of 38884686090 is 9068648883.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648078072 + ... + 648078131.

It is an arithmetic number, because the mean of its divisors is an integer number (5832702918).

Almost surely, 238884686090 is an apocalyptic number.

38884686090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38884686090 is an abundant number, since it is smaller than the sum of its proper divisors (54438560598).

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

38884686090 is a wasteful number, since it uses less digits than its factorization.

38884686090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296156213.

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 38884686090 in words is "thirty-eight billion, eight hundred eighty-four million, six hundred eighty-six thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 1296156203 2592312406 3888468609 6480781015 7776937218 12961562030 19442343045 38884686090