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138016710 = 23551317257
BaseRepresentation
bin10000011100111…
…11011111000110
3100121200222100000
420032133133012
5240313013320
621410102130
73264060036
oct1016373706
9317628300
10138016710
11709a7aa7
123a27a946
13227946c0
14144898c6
15c1b3c90
hex839f7c6

138016710 has 192 divisors, whose sum is σ = 425984832. Its totient is φ = 31850496.

The previous prime is 138016691. The next prime is 138016733. The reversal of 138016710 is 17610831.

It is a super-2 number, since 2×1380167102 = 38097224478448200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 536902 + ... + 537158.

It is an arithmetic number, because the mean of its divisors is an integer number (2218671).

Almost surely, 2138016710 is an apocalyptic number.

138016710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 138016710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212992416).

138016710 is an abundant number, since it is smaller than the sum of its proper divisors (287968122).

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

138016710 is a wasteful number, since it uses less digits than its factorization.

138016710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 138016710 is about 11748.0513277735. The cubic root of 138016710 is about 516.7857822252.

The spelling of 138016710 in words is "one hundred thirty-eight million, sixteen thousand, seven hundred ten".