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13096749520 = 245163709369
BaseRepresentation
bin11000011001010000…
…01000100111010000
31020210201211210212001
430030220020213100
5203310231441040
610003324443344
7642356351131
oct141450104720
936721753761
1013096749520
115610856838
1226560a9554
131309447b3a
148c3551c88
15519bb359a
hex30ca089d0

13096749520 has 20 divisors (see below), whose sum is σ = 30449942820. Its totient is φ = 5238699776.

The previous prime is 13096749499. The next prime is 13096749541. The reversal of 13096749520 is 2594769031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13096749499) and next prime (13096749541).

It can be written as a sum of positive squares in 2 ways, for example, as 3848465296 + 9248284224 = 62036^2 + 96168^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 81854605 + ... + 81854764.

It is an arithmetic number, because the mean of its divisors is an integer number (1522497141).

Almost surely, 213096749520 is an apocalyptic number.

13096749520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13096749520 is an abundant number, since it is smaller than the sum of its proper divisors (17353193300).

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

13096749520 is a wasteful number, since it uses less digits than its factorization.

13096749520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163709382 (or 163709376 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 13096749520 in words is "thirteen billion, ninety-six million, seven hundred forty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 163709369 327418738 654837476 818546845 1309674952 1637093690 2619349904 3274187380 6548374760 13096749520