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13423283783 = 721321072659
BaseRepresentation
bin11001000000001011…
…10000111001000111
31021122111021110122122
430200011300321013
5204442330040113
610055551320155
7653433013100
oct144005607107
937574243578
1013423283783
115769103868
12272752005b
13135bca6290
14914a713a7
155386b4408
hex320170e47

13423283783 has 12 divisors (see below), whose sum is σ = 16815982680. Its totient is φ = 10620619632.

The previous prime is 13423283717. The next prime is 13423283789. The reversal of 13423283783 is 38738232431.

It is not a de Polignac number, because 13423283783 - 28 = 13423283527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423283789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10535693 + ... + 10536966.

It is an arithmetic number, because the mean of its divisors is an integer number (1401331890).

Almost surely, 213423283783 is an apocalyptic number.

13423283783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13423283783 is a deficient number, since it is larger than the sum of its proper divisors (3392698897).

13423283783 is a wasteful number, since it uses less digits than its factorization.

13423283783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21072686 (or 21072679 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The spelling of 13423283783 in words is "thirteen billion, four hundred twenty-three million, two hundred eighty-three thousand, seven hundred eighty-three".

Divisors: 1 7 13 49 91 637 21072659 147508613 273944567 1032560291 1917611969 13423283783