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12513702046642 = 219785549371257
BaseRepresentation
bin1011011000011001001011…
…0000111110101110110010
31122022022001102002220102221
42312012102300332232302
53120011030210443032
642340414303431254
72431041126243616
oct266062260765662
948268042086387
1012513702046642
113a95038634795
1214a12a55b552a
136ca0634b7164
143139488b9346
1516a79b92e597
hexb6192c3ebb2

12513702046642 has 16 divisors (see below), whose sum is σ = 18866106408600. Its totient is φ = 6225000824448.

The previous prime is 12513702046633. The next prime is 12513702046693. The reversal of 12513702046642 is 24664020731521.

It can be written as a sum of positive squares in 4 ways, for example, as 11593677692601 + 920024354041 = 3404949^2 + 959179^2 .

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 7 ways as a sum of consecutive naturals, for example, 33520678 + ... + 33891934.

Almost surely, 212513702046642 is an apocalyptic number.

12513702046642 is a deficient number, since it is larger than the sum of its proper divisors (6352404361958).

12513702046642 is a wasteful number, since it uses less digits than its factorization.

12513702046642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457005.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 12513702046642 in words is "twelve trillion, five hundred thirteen billion, seven hundred two million, forty-six thousand, six hundred forty-two".

Divisors: 1 2 197 394 85549 171098 371257 742514 16853153 33706306 73137629 146275258 31760665093 63521330186 6256851023321 12513702046642