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10404442939 = 11945858449
BaseRepresentation
bin10011011000010011…
…10011001100111011
3222212002210110112111
421230021303030323
5132302014133224
64440231153151
7515555206612
oct115411631473
928762713474
1010404442939
11445a044a80
1220245157b7
13c9a726117
14709b62879
1540d64cd94
hex26c27333b

10404442939 has 4 divisors (see below), whose sum is σ = 11350301400. Its totient is φ = 9458584480.

The previous prime is 10404442903. The next prime is 10404442991. The reversal of 10404442939 is 93924440401.

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 10404442939 - 215 = 10404410171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10404442339) 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, 472929214 + ... + 472929235.

It is an arithmetic number, because the mean of its divisors is an integer number (2837575350).

Almost surely, 210404442939 is an apocalyptic number.

10404442939 is a deficient number, since it is larger than the sum of its proper divisors (945858461).

10404442939 is an equidigital number, since it uses as much as digits as its factorization.

10404442939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945858460.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 10404442939 in words is "ten billion, four hundred four million, four hundred forty-two thousand, nine hundred thirty-nine".

Divisors: 1 11 945858449 10404442939