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1312745549211 = 32145860616579
BaseRepresentation
bin10011000110100101101…
…110110110110110011011
311122111102111100102211100
4103012211232312312123
5133002000330033321
62443022245002443
7163562026026105
oct23064556666633
94574374312740
101312745549211
11466806703a38
121925039b3423
1396a39858935
14477741da575
1524232d64326
hex131a5bb6d9b

1312745549211 has 6 divisors (see below), whose sum is σ = 1896188015540. Its totient is φ = 875163699468.

The previous prime is 1312745549197. The next prime is 1312745549231. The reversal of 1312745549211 is 1129455472131.

1312745549211 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 7 + 4 + 554 + 92 + 1 + 1 = 666.

It is not a de Polignac number, because 1312745549211 - 26 = 1312745549147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312745549231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72930308281 + ... + 72930308298.

Almost surely, 21312745549211 is an apocalyptic number.

1312745549211 is a deficient number, since it is larger than the sum of its proper divisors (583442466329).

1312745549211 is a wasteful number, since it uses less digits than its factorization.

1312745549211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145860616585 (or 145860616582 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 1312745549211 in words is "one trillion, three hundred twelve billion, seven hundred forty-five million, five hundred forty-nine thousand, two hundred eleven".

Divisors: 1 3 9 145860616579 437581849737 1312745549211