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13812280651 = 131062483127
BaseRepresentation
bin11001101110100011…
…01010110101001011
31022122121020120001001
430313101222311023
5211241420440101
610202325035431
7666165306541
oct146721526513
938577216031
1013812280651
115948743984
122815855b77
1313c1764540
149505add91
1555c902901
hex33746ad4b

13812280651 has 4 divisors (see below), whose sum is σ = 14874763792. Its totient is φ = 12749797512.

The previous prime is 13812280627. The next prime is 13812280663. The reversal of 13812280651 is 15608221831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13812280651 - 25 = 13812280619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13812280651.

It is not an unprimeable number, because it can be changed into a prime (13812280621) 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 3 ways as a sum of consecutive naturals, for example, 531241551 + ... + 531241576.

It is an arithmetic number, because the mean of its divisors is an integer number (3718690948).

Almost surely, 213812280651 is an apocalyptic number.

13812280651 is a deficient number, since it is larger than the sum of its proper divisors (1062483141).

13812280651 is a wasteful number, since it uses less digits than its factorization.

13812280651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062483140.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 13812280651 in words is "thirteen billion, eight hundred twelve million, two hundred eighty thousand, six hundred fifty-one".

Divisors: 1 13 1062483127 13812280651