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1311365476925 = 52716345972497
BaseRepresentation
bin10011000101010011011…
…110010011001000111101
311122100212022111111112222
4103011103132103020331
5132441134030230200
62442233305135125
7163512600431540
oct23052336231075
94570768444488
101311365476925
11466168696229
1219219978a4a5
139687996670a
1447682bd4857
15241a1b08d85
hex1315379323d

1311365476925 has 24 divisors (see below), whose sum is σ = 1869793438656. Its totient is φ = 893705322240.

The previous prime is 1311365476901. The next prime is 1311365476931. The reversal of 1311365476925 is 5296745631131.

It is a happy number.

It is not a de Polignac number, because 1311365476925 - 28 = 1311365476669 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 22957724 + ... + 23014773.

It is an arithmetic number, because the mean of its divisors is an integer number (77908059944).

Almost surely, 21311365476925 is an apocalyptic number.

It is an amenable number.

1311365476925 is a deficient number, since it is larger than the sum of its proper divisors (558427961731).

1311365476925 is a wasteful number, since it uses less digits than its factorization.

1311365476925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45972677 (or 45972672 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 53.

The spelling of 1311365476925 in words is "one trillion, three hundred eleven billion, three hundred sixty-five million, four hundred seventy-six thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 163 175 815 1141 4075 5705 28525 45972497 229862485 321807479 1149312425 1609037395 7493517011 8045186975 37467585055 52454619077 187337925275 262273095385 1311365476925