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129622408607 = 293442397299
BaseRepresentation
bin111100010111000011…
…0001111110110011111
3110101120121102121121102
41320232012033312133
54110431314033412
6135314150023315
712236110202546
oct1705606176637
9411517377542
10129622408607
114aa7751a12a
1221156347b3b
13c2b98aaa83
1463b929915d
153589b298c2
hex1e2e18fd9f

129622408607 has 4 divisors (see below), whose sum is σ = 130064806200. Its totient is φ = 129180011016.

The previous prime is 129622408579. The next prime is 129622408667. The reversal of 129622408607 is 706804226921.

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 129622408607 - 210 = 129622407583 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 (129622408667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221198357 + ... + 221198942.

It is an arithmetic number, because the mean of its divisors is an integer number (32516201550).

Almost surely, 2129622408607 is an apocalyptic number.

129622408607 is a deficient number, since it is larger than the sum of its proper divisors (442397593).

129622408607 is an equidigital number, since it uses as much as digits as its factorization.

129622408607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442397592.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 129622408607 in words is "one hundred twenty-nine billion, six hundred twenty-two million, four hundred eight thousand, six hundred seven".

Divisors: 1 293 442397299 129622408607