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13126211516200 = 235265631057581
BaseRepresentation
bin1011111100000010111100…
…1011001011011100101000
31201110212001020201212010111
42333000233023023130220
53210024440122004300
643530033123224104
72523223520652436
oct277005713133450
951425036655114
1013126211516200
114200882223982
12157bb45818034
13742a479c8553
143354522b9d56
1517b699b069ba
hexbf02f2cb728

13126211516200 has 24 divisors (see below), whose sum is σ = 30518441775630. Its totient is φ = 5250484606400.

The previous prime is 13126211516149. The next prime is 13126211516329. The reversal of 13126211516200 is 261511262131.

It can be written as a sum of positive squares in 3 ways, for example, as 5659250850724 + 7466960665476 = 2378918^2 + 2732574^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 32815528591 + ... + 32815528990.

Almost surely, 213126211516200 is an apocalyptic number.

13126211516200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13126211516200 is an abundant number, since it is smaller than the sum of its proper divisors (17392230259430).

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

13126211516200 is a wasteful number, since it uses less digits than its factorization.

13126211516200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65631057597 (or 65631057588 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 13126211516200 its reverse (261511262131), we get a palindrome (13387722778331).

The spelling of 13126211516200 in words is "thirteen trillion, one hundred twenty-six billion, two hundred eleven million, five hundred sixteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 65631057581 131262115162 262524230324 328155287905 525048460648 656310575810 1312621151620 1640776439525 2625242303240 3281552879050 6563105758100 13126211516200