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12513442315355 = 522202911271899
BaseRepresentation
bin1011011000011000001101…
…0010001011110001011011
31122022021101022101012002122
42312012003102023301123
53120010012213042410
642340332424451455
72431031523461552
oct266060322136133
948267338335078
1012513442315355
113a94a14a64833
1214a1232619b8b
136ca0217482c7
143139221c8d99
1516a783c26e55
hexb618348bc5b

12513442315355 has 8 divisors (see below), whose sum is σ = 15016199742000. Its totient is φ = 10010707876576.

The previous prime is 12513442315327. The next prime is 12513442315357. The reversal of 12513442315355 is 55351324431521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12513442315355 - 26 = 12513442315291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12513442315357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4525805 + ... + 6746094.

It is an arithmetic number, because the mean of its divisors is an integer number (1877024967750).

Almost surely, 212513442315355 is an apocalyptic number.

12513442315355 is a deficient number, since it is larger than the sum of its proper divisors (2502757426645).

12513442315355 is a wasteful number, since it uses less digits than its factorization.

12513442315355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493933.

The product of its digits is 1080000, while the sum is 44.

Adding to 12513442315355 its reverse (55351324431521), we get a palindrome (67864766746876).

The spelling of 12513442315355 in words is "twelve trillion, five hundred thirteen billion, four hundred forty-two million, three hundred fifteen thousand, three hundred fifty-five".

Divisors: 1 5 222029 1110145 11271899 56359495 2502688463071 12513442315355