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1320014360861 = 7253508284313
BaseRepresentation
bin10011001101010110111…
…111001011000100011101
311200012012001220022212122
4103031112333023010131
5133111342134021421
62450223424512325
7164240120636600
oct23152677130435
94605161808778
101320014360861
114698a676a799
121939b217b6a5
139762775c811
1447c6372c337
152450b07b2ab
hex13356fcb11d

1320014360861 has 12 divisors (see below), whose sum is σ = 1564499118492. Its totient is φ = 1110092937408.

The previous prime is 1320014360839. The next prime is 1320014360891. The reversal of 1320014360861 is 1680634100231.

It can be written as a sum of positive squares in 2 ways, for example, as 499008024025 + 821006336836 = 706405^2 + 906094^2 .

It is a de Polignac number, because none of the positive numbers 2k-1320014360861 is a prime.

It is a super-2 number, since 2×13200143608612 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320014360891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254139560 + ... + 254144753.

It is an arithmetic number, because the mean of its divisors is an integer number (130374926541).

Almost surely, 21320014360861 is an apocalyptic number.

It is an amenable number.

1320014360861 is a deficient number, since it is larger than the sum of its proper divisors (244484757631).

1320014360861 is an equidigital number, since it uses as much as digits as its factorization.

1320014360861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508284380 (or 508284373 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 1320014360861 in words is "one trillion, three hundred twenty billion, fourteen million, three hundred sixty thousand, eight hundred sixty-one".

Divisors: 1 7 49 53 371 2597 508284313 3557990191 24905931337 26939068589 188573480123 1320014360861