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12810273073 = 136071623403
BaseRepresentation
bin10111110111000110…
…10100000100110001
31020001202210022001021
423323203110010301
5202213412214243
65515052335441
7632310344623
oct137343240461
936052708037
1012810273073
115484079844
122596174581
131291ca3650
1489749cc13
154ee9766ed
hex2fb8d4131

12810273073 has 8 divisors (see below), whose sum is σ = 13818414848. Its totient is φ = 11805379344.

The previous prime is 12810273059. The next prime is 12810273079. The reversal of 12810273073 is 37037201821.

It is a happy number.

12810273073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12810273073 - 29 = 12810272561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12810273079) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 803811 + ... + 819592.

It is an arithmetic number, because the mean of its divisors is an integer number (1727301856).

Almost surely, 212810273073 is an apocalyptic number.

12810273073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12810273073 is a deficient number, since it is larger than the sum of its proper divisors (1008141775).

12810273073 is a wasteful number, since it uses less digits than its factorization.

12810273073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624023.

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 12810273073 its reverse (37037201821), we get a palindrome (49847474894).

The spelling of 12810273073 in words is "twelve billion, eight hundred ten million, two hundred seventy-three thousand, seventy-three".

Divisors: 1 13 607 7891 1623403 21104239 985405621 12810273073