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1313145461760 = 210351119974217
BaseRepresentation
bin10011000110111101100…
…100011001110000000000
311122112110100212002201020
4103012331210121300000
5133003310214234020
62443130052305440
7163604653154646
oct23067544316000
94575410762636
101313145461760
114669a141a180
121925b5912280
1396aa1669492
14477b137b196
152425800bc40
hex131bd919c00

1313145461760 has 704 divisors, whose sum is σ = 4873859182080. Its totient is φ = 298403758080.

The previous prime is 1313145461737. The next prime is 1313145461773. The reversal of 1313145461760 is 671645413131.

It is a tau number, because it is divible by the number of its divisors (704).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311391172 + ... + 311395388.

Almost surely, 21313145461760 is an apocalyptic number.

1313145461760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313145461760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436929591040).

1313145461760 is an abundant number, since it is smaller than the sum of its proper divisors (3560713720320).

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

1313145461760 is a wasteful number, since it uses less digits than its factorization.

1313145461760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 4354 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1313145461760 in words is "one trillion, three hundred thirteen billion, one hundred forty-five million, four hundred sixty-one thousand, seven hundred sixty".