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12481212896 = 25390037903
BaseRepresentation
bin10111001111111000…
…00011000111100000
31012012211121022100022
423213330003013200
5201030142303041
65422255413012
7621203362535
oct134774030740
935184538308
1012481212896
115325356a89
122503b24168
13123ba6c599
148658c2d8c
154d0b2724b
hex2e7f031e0

12481212896 has 12 divisors (see below), whose sum is σ = 24572387952. Its totient is φ = 6240606432.

The previous prime is 12481212869. The next prime is 12481212943. The reversal of 12481212896 is 69821218421.

12481212896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195018920 + ... + 195018983.

It is an arithmetic number, because the mean of its divisors is an integer number (2047698996).

Almost surely, 212481212896 is an apocalyptic number.

12481212896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12481212896 is a deficient number, since it is larger than the sum of its proper divisors (12091175056).

12481212896 is an equidigital number, since it uses as much as digits as its factorization.

12481212896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390037913 (or 390037905 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The spelling of 12481212896 in words is "twelve billion, four hundred eighty-one million, two hundred twelve thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 32 390037903 780075806 1560151612 3120303224 6240606448 12481212896