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138086012860 = 22533757735507
BaseRepresentation
bin1000000010011010010…
…0010101011110111100
3111012102110012020222121
42000212210111132330
54230300004402420
6143234050252324
712655620512605
oct2004644253674
9435373166877
10138086012860
115361aa55294
12229188870a4
13100381a1b23
14697d362dac
1538d2b9e2aa
hex20269157bc

138086012860 has 48 divisors (see below), whose sum is σ = 291353366304. Its totient is φ = 54973513728.

The previous prime is 138086012833. The next prime is 138086012917. The reversal of 138086012860 is 68210680831.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3871227 + ... + 3906733.

It is an arithmetic number, because the mean of its divisors is an integer number (6069861798).

Almost surely, 2138086012860 is an apocalyptic number.

138086012860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138086012860 is an abundant number, since it is smaller than the sum of its proper divisors (153267353444).

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

138086012860 is a wasteful number, since it uses less digits than its factorization.

138086012860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36430 (or 36428 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 138086012860 in words is "one hundred thirty-eight billion, eighty-six million, twelve thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 337 577 674 1154 1348 1685 2308 2885 3370 5770 6740 11540 35507 71014 142028 177535 194449 355070 388898 710140 777796 972245 1944490 3888980 11965859 20487539 23931718 40975078 47863436 59829295 81950156 102437695 119658590 204875390 239317180 409750780 6904300643 13808601286 27617202572 34521503215 69043006430 138086012860