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12456710086 = 26228355043
BaseRepresentation
bin10111001100111101…
…00100111111000110
31012011010111102210211
423212132210333012
5201002404210321
65420022310034
7620455201012
oct134636447706
935133442724
1012456710086
115312540727
1224b788831a
131236970792
14862545542
154cd8d70e1
hex2e67a4fc6

12456710086 has 4 divisors (see below), whose sum is σ = 18685065132. Its totient is φ = 6228355042.

The previous prime is 12456710029. The next prime is 12456710089. The reversal of 12456710086 is 68001765421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68001765421 = 155343787357.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456710089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114177520 + ... + 3114177523.

It is an arithmetic number, because the mean of its divisors is an integer number (4671266283).

Almost surely, 212456710086 is an apocalyptic number.

12456710086 is a deficient number, since it is larger than the sum of its proper divisors (6228355046).

12456710086 is an equidigital number, since it uses as much as digits as its factorization.

12456710086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228355045.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12456710086 in words is "twelve billion, four hundred fifty-six million, seven hundred ten thousand, eighty-six".

Divisors: 1 2 6228355043 12456710086