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138346796293 = 831666828871
BaseRepresentation
bin1000000011011000011…
…1001001010100000101
3111020002121220102121021
42000312013021110011
54231313234440133
6143320003551141
712665235236266
oct2006607112405
9436077812537
10138346796293
1153744183792
122299008b4b1
131007a21b854
1469a5c4896d
1538eaa1352d
hex20361c9505

138346796293 has 4 divisors (see below), whose sum is σ = 140013625248. Its totient is φ = 136679967340.

The previous prime is 138346796261. The next prime is 138346796353. The reversal of 138346796293 is 392697643831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138346796293 - 25 = 138346796261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138346796233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833414353 + ... + 833414518.

It is an arithmetic number, because the mean of its divisors is an integer number (35003406312).

Almost surely, 2138346796293 is an apocalyptic number.

It is an amenable number.

138346796293 is a deficient number, since it is larger than the sum of its proper divisors (1666828955).

138346796293 is an equidigital number, since it uses as much as digits as its factorization.

138346796293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666828954.

The product of its digits is 35271936, while the sum is 61.

The spelling of 138346796293 in words is "one hundred thirty-eight billion, three hundred forty-six million, seven hundred ninety-six thousand, two hundred ninety-three".

Divisors: 1 83 1666828871 138346796293