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12634044401 = 111148549491
BaseRepresentation
bin10111100010000110…
…00011011111110001
31012121111011221202102
423301003003133301
5201333303410101
65445355230145
7625040414456
oct136103033761
935544157672
1012634044401
1153a3652610
122547148355
131264620224
1487bd0782d
154de26586b
hex2f10c37f1

12634044401 has 4 divisors (see below), whose sum is σ = 13782593904. Its totient is φ = 11485494900.

The previous prime is 12634044361. The next prime is 12634044403. The reversal of 12634044401 is 10444043621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12634044401 - 210 = 12634043377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634044403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574274735 + ... + 574274756.

It is an arithmetic number, because the mean of its divisors is an integer number (3445648476).

Almost surely, 212634044401 is an apocalyptic number.

12634044401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12634044401 is a deficient number, since it is larger than the sum of its proper divisors (1148549503).

12634044401 is a wasteful number, since it uses less digits than its factorization.

12634044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148549502.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 12634044401 in words is "twelve billion, six hundred thirty-four million, forty-four thousand, four hundred one".

Divisors: 1 11 1148549491 12634044401