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1310745563772 = 223109228796981
BaseRepresentation
bin10011000100101110100…
…001100001001001111100
311122022021010000122120120
4103010232201201021330
5132433401331020042
62442052002214540
7163461332314551
oct23045641411174
94568233018516
101310745563772
1146597a777307
12192046054450
13967ab3b80b8
1447624746a28
15241674a5dec
hex1312e86127c

1310745563772 has 12 divisors (see below), whose sum is σ = 3058406315496. Its totient is φ = 436915187920.

The previous prime is 1310745563759. The next prime is 1310745563789. The reversal of 1310745563772 is 2773655470131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54614398479 + ... + 54614398502.

It is an arithmetic number, because the mean of its divisors is an integer number (254867192958).

Almost surely, 21310745563772 is an apocalyptic number.

1310745563772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310745563772 is an abundant number, since it is smaller than the sum of its proper divisors (1747660751724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310745563772 is a wasteful number, since it uses less digits than its factorization.

1310745563772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109228796988 (or 109228796986 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 1310745563772 in words is "one trillion, three hundred ten billion, seven hundred forty-five million, five hundred sixty-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 109228796981 218457593962 327686390943 436915187924 655372781886 1310745563772