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1313021002013 = 71934849283289
BaseRepresentation
bin10011000110110110001…
…001101000000100011101
311122112010200122220000222
4103012312021220010131
5133003031334031023
62443105444531125
7163601612240360
oct23066611500435
94575120586028
101313021002013
11466938141786
121925800b0aa5
1396a81940666
144779ca200d7
152424c124cc8
hex131b626811d

1313021002013 has 16 divisors (see below), whose sum is σ = 1579625040000. Its totient is φ = 1066178184192.

The previous prime is 1313021001931. The next prime is 1313021002031. The reversal of 1313021002013 is 3102001203131.

It is a cyclic number.

It is not a de Polignac number, because 1313021002013 - 216 = 1313020936477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313021001982 and 1313021002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313021002093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4493273 + ... + 4776561.

It is an arithmetic number, because the mean of its divisors is an integer number (98726565000).

Almost surely, 21313021002013 is an apocalyptic number.

It is an amenable number.

1313021002013 is a deficient number, since it is larger than the sum of its proper divisors (266604037987).

1313021002013 is a wasteful number, since it uses less digits than its factorization.

1313021002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318164.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1313021002013 its reverse (3102001203131), we get a palindrome (4415022205144).

The spelling of 1313021002013 in words is "one trillion, three hundred thirteen billion, twenty-one million, two thousand, thirteen".

Divisors: 1 7 19 133 34849 243943 283289 662131 1983023 4634917 5382491 37677437 9872338361 69106368527 187574428859 1313021002013