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12773712797 = 37536513877
BaseRepresentation
bin10111110010101111…
…10110001110011101
31012222012222211202222
423321113312032131
5202130032302142
65511304555125
7631354524116
oct137127661635
935865884688
1012773712797
11546547853a
122585a82aa5
131287542651
148926a320d
154eb653bd2
hex2f95f639d

12773712797 has 8 divisors (see below), whose sum is σ = 13366477656. Its totient is φ = 12193975872.

The previous prime is 12773712761. The next prime is 12773712821. The reversal of 12773712797 is 79721737721.

It can be written as a sum of positive squares in 4 ways, for example, as 3617902201 + 9155810596 = 60149^2 + 95686^2 .

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 12773712797 - 26 = 12773712733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12773712697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3254978 + ... + 3258899.

It is an arithmetic number, because the mean of its divisors is an integer number (1670809707).

Almost surely, 212773712797 is an apocalyptic number.

It is an amenable number.

12773712797 is a deficient number, since it is larger than the sum of its proper divisors (592764859).

12773712797 is an equidigital number, since it uses as much as digits as its factorization.

12773712797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513967.

The product of its digits is 1815156, while the sum is 53.

The spelling of 12773712797 in words is "twelve billion, seven hundred seventy-three million, seven hundred twelve thousand, seven hundred ninety-seven".

Divisors: 1 37 53 1961 6513877 241013449 345235481 12773712797