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12319313783 = 721234320369
BaseRepresentation
bin10110111100100100…
…11100111101110111
31011210112221222111212
423132102130331313
5200212221020113
65354233352035
7614166303500
oct133622347567
934715858455
1012319313783
115251a27867
12247986861b
1312143655aa
1484c1bbba7
154c17e70a8
hex2de49cf77

12319313783 has 12 divisors (see below), whose sum is σ = 14332494960. Its totient is φ = 10558037952.

The previous prime is 12319313717. The next prime is 12319313791. The reversal of 12319313783 is 38731391321.

It is not a de Polignac number, because 12319313783 - 224 = 12302536567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12319313783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319313183) 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, 594623 + ... + 614991.

It is an arithmetic number, because the mean of its divisors is an integer number (1194374580).

Almost surely, 212319313783 is an apocalyptic number.

12319313783 is a deficient number, since it is larger than the sum of its proper divisors (2013181177).

12319313783 is a wasteful number, since it uses less digits than its factorization.

12319313783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32726 (or 32719 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The spelling of 12319313783 in words is "twelve billion, three hundred nineteen million, three hundred thirteen thousand, seven hundred eighty-three".

Divisors: 1 7 49 12343 20369 86401 142583 604807 998081 251414567 1759901969 12319313783