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12453036655 = 52490607331
BaseRepresentation
bin10111001100100001…
…00100001001101111
31012010212120210210211
423212100210021233
5201000434133110
65415411443251
7620412031213
oct134620441157
935125523724
1012453036655
115310461834
1224b65b6527
131235c85757
14861c6a943
154cd40d98a
hex2e642426f

12453036655 has 4 divisors (see below), whose sum is σ = 14943643992. Its totient is φ = 9962429320.

The previous prime is 12453036619. The next prime is 12453036667. The reversal of 12453036655 is 55663035421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55663035421 = 77951862203.

It is not a de Polignac number, because 12453036655 - 29 = 12453036143 is a prime.

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 Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245303661 + ... + 1245303670.

It is an arithmetic number, because the mean of its divisors is an integer number (3735910998).

Almost surely, 212453036655 is an apocalyptic number.

12453036655 is a deficient number, since it is larger than the sum of its proper divisors (2490607337).

12453036655 is an equidigital number, since it uses as much as digits as its factorization.

12453036655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490607336.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 12453036655 in words is "twelve billion, four hundred fifty-three million, thirty-six thousand, six hundred fifty-five".

Divisors: 1 5 2490607331 12453036655