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138527488280 = 2353463187207
BaseRepresentation
bin1000000100000011100…
…0011011100100011000
3111020120012220112102002
42001000320123210120
54232201014111110
6143345540500132
713002561136136
oct2010070334430
9436505815362
10138527488280
1153827179305
1222a206aa648
13100a87a569c
1469c1c42756
15390b806aa5
hex2040e1b918

138527488280 has 16 divisors (see below), whose sum is σ = 311686848720. Its totient is φ = 55410995296.

The previous prime is 138527488273. The next prime is 138527488321. The reversal of 138527488280 is 82884725831.

138527488280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731593564 + ... + 1731593643.

It is an arithmetic number, because the mean of its divisors is an integer number (19480428045).

Almost surely, 2138527488280 is an apocalyptic number.

138527488280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138527488280 is an abundant number, since it is smaller than the sum of its proper divisors (173159360440).

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

138527488280 is a wasteful number, since it uses less digits than its factorization.

138527488280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463187218 (or 3463187214 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 56.

The spelling of 138527488280 in words is "one hundred thirty-eight billion, five hundred twenty-seven million, four hundred eighty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 3463187207 6926374414 13852748828 17315936035 27705497656 34631872070 69263744140 138527488280