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138076835107 = 178122166771
BaseRepresentation
bin1000000010011000000…
…1010100110100100011
3111012101210220222110211
42000212001110310203
54230240132210412
6143233121434551
712655446506401
oct2004601246443
9435353828424
10138076835107
1153615856972
122291579ba57
131003630a5c3
14697c054471
1538d1e89ca7
hex2026054d23

138076835107 has 4 divisors (see below), whose sum is σ = 146199001896. Its totient is φ = 129954668320.

The previous prime is 138076835101. The next prime is 138076835123. The reversal of 138076835107 is 701538670831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138076835107 - 235 = 103717096739 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (138076835101) by changing a digit.

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, 4061083369 + ... + 4061083402.

It is an arithmetic number, because the mean of its divisors is an integer number (36549750474).

Almost surely, 2138076835107 is an apocalyptic number.

138076835107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138076835107 is a deficient number, since it is larger than the sum of its proper divisors (8122166789).

138076835107 is an equidigital number, since it uses as much as digits as its factorization.

138076835107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122166788.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 138076835107 in words is "one hundred thirty-eight billion, seventy-six million, eight hundred thirty-five thousand, one hundred seven".

Divisors: 1 17 8122166771 138076835107