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12480644276 = 2229158367967
BaseRepresentation
bin10111001111110011…
…11000010010110100
31012012210112102100022
423213321320102310
5201030021104101
65422235304312
7621165504002
oct134771702264
935183472308
1012480644276
115324aa8851
1225038ab098
13123b900819
148657b5a72
154d0a63a1b
hex2e7e784b4

12480644276 has 24 divisors (see below), whose sum is σ = 22608875520. Its totient is φ = 6021243872.

The previous prime is 12480644273. The next prime is 12480644287. The reversal of 12480644276 is 67244608421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480644273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149645 + ... + 217611.

It is an arithmetic number, because the mean of its divisors is an integer number (942036480).

Almost surely, 212480644276 is an apocalyptic number.

It is an amenable number.

12480644276 is a deficient number, since it is larger than the sum of its proper divisors (10128231244).

12480644276 is a wasteful number, since it uses less digits than its factorization.

12480644276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69583 (or 69581 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 12480644276 in words is "twelve billion, four hundred eighty million, six hundred forty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 29 58 116 1583 3166 6332 45907 67967 91814 135934 183628 271868 1971043 3942086 7884172 107591761 215183522 430367044 3120161069 6240322138 12480644276