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12839207848 = 2314471109123
BaseRepresentation
bin10111111010100011…
…01100001110101000
31020010210020100002121
423331101230032220
5202243314122343
65522004441024
7633111315565
oct137521541650
936123210077
1012839207848
115499441985
1225a39a9174
131297c9480c
1489b27186c
1550228eaed
hex2fd46c3a8

12839207848 has 16 divisors (see below), whose sum is σ = 24090173280. Its totient is φ = 6415161648.

The previous prime is 12839207827. The next prime is 12839207869. The reversal of 12839207848 is 84870293821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12839207827) and next prime (12839207869).

It is a super-2 number, since 2×128392078482 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12839207795 and 12839207804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542986 + ... + 566137.

It is an arithmetic number, because the mean of its divisors is an integer number (1505635830).

Almost surely, 212839207848 is an apocalyptic number.

It is an amenable number.

12839207848 is a deficient number, since it is larger than the sum of its proper divisors (11250965432).

12839207848 is a wasteful number, since it uses less digits than its factorization.

12839207848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110576 (or 1110572 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 12839207848 in words is "twelve billion, eight hundred thirty-nine million, two hundred seven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 1447 2894 5788 11576 1109123 2218246 4436492 8872984 1604900981 3209801962 6419603924 12839207848