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138010632779 is a prime number
BaseRepresentation
bin1000000010001000010…
…0110010001001001011
3111012020012100112221202
42000202010302021023
54230121210222104
6143222354454415
712654014010605
oct2004204621113
9435205315852
10138010632779
115359144a0a8
12228b759440b
131002569b526
146973340175
1538cb25e51e
hex202213224b

138010632779 has 2 divisors, whose sum is σ = 138010632780. Its totient is φ = 138010632778.

The previous prime is 138010632751. The next prime is 138010632839. The reversal of 138010632779 is 977236010831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138010632779 - 28 = 138010632523 is a prime.

It is not a weakly prime, because it can be changed into another prime (138010632719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69005316389 + 69005316390.

It is an arithmetic number, because the mean of its divisors is an integer number (69005316390).

Almost surely, 2138010632779 is an apocalyptic number.

138010632779 is a deficient number, since it is larger than the sum of its proper divisors (1).

138010632779 is an equidigital number, since it uses as much as digits as its factorization.

138010632779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 138010632779 in words is "one hundred thirty-eight billion, ten million, six hundred thirty-two thousand, seven hundred seventy-nine".