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12884273276 = 2271737971419
BaseRepresentation
bin10111111111111011…
…00110100001111100
31020020221000220020112
423333331212201330
5202341333221101
65530254405152
7634166341640
oct137775464174
936227026215
1012884273276
115511922236
1225b6b007b8
1312a4412b54
148a3242c20
155061e26bb
hex2fff6687c

12884273276 has 48 divisors (see below), whose sum is σ = 27356716800. Its totient is φ = 5183232768.

The previous prime is 12884273257. The next prime is 12884273287. The reversal of 12884273276 is 67237248821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144695 + ... + 216113.

It is an arithmetic number, because the mean of its divisors is an integer number (569931600).

Almost surely, 212884273276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12884273276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13678358400).

12884273276 is an abundant number, since it is smaller than the sum of its proper divisors (14472443524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12884273276 is a wasteful number, since it uses less digits than its factorization.

12884273276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71826 (or 71824 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The spelling of 12884273276 in words is "twelve billion, eight hundred eighty-four million, two hundred seventy-three thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 379 476 758 1516 2653 5306 6443 10612 12886 25772 45101 71419 90202 142838 180404 285676 499933 999866 1214123 1999732 2428246 4856492 8498861 16997722 27067801 33995444 54135602 108271204 189474607 378949214 460152617 757898428 920305234 1840610468 3221068319 6442136638 12884273276