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14239645261 = 411492330929
BaseRepresentation
bin11010100001011111…
…11011111001001101
31100202101101221001221
431100233323321031
5213130322122021
610312553003341
71012604662522
oct152057737115
940671357057
1014239645261
1160479aa276
1229149b3551
13145c1673ca
14991259149
155851be241
hex350bfbe4d

14239645261 has 8 divisors (see below), whose sum is σ = 14684859000. Its totient is φ = 13799093760.

The previous prime is 14239645241. The next prime is 14239645267. The reversal of 14239645261 is 16254693241.

It can be written as a sum of positive squares in 4 ways, for example, as 95062500 + 14144582761 = 9750^2 + 118931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14239645261 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 (14239645267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159356 + ... + 1171573.

It is an arithmetic number, because the mean of its divisors is an integer number (1835607375).

Almost surely, 214239645261 is an apocalyptic number.

It is an amenable number.

14239645261 is a deficient number, since it is larger than the sum of its proper divisors (445213739).

14239645261 is a wasteful number, since it uses less digits than its factorization.

14239645261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331119.

The product of its digits is 311040, while the sum is 43.

The spelling of 14239645261 in words is "fourteen billion, two hundred thirty-nine million, six hundred forty-five thousand, two hundred sixty-one".

Divisors: 1 41 149 6109 2330929 95568089 347308421 14239645261