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13021426573255 = 517532890438751
BaseRepresentation
bin1011110101111100100110…
…0000010101111111000111
31201002211120121101020010201
42331133021200111333013
53201320340200321010
643405543310231331
72512524042435112
oct275371140257707
951084517336121
1013021426573255
1141703a0918381
1215637814b5547
13735bb8a86b29
14330351979579
15178ab579623a
hexbd7c9815fc7

13021426573255 has 16 divisors (see below), whose sum is σ = 16857038801664. Its totient is φ = 9619380160000.

The previous prime is 13021426573229. The next prime is 13021426573279. The reversal of 13021426573255 is 55237562412031.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-13021426573255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445214871 + ... + 1445223880.

It is an arithmetic number, because the mean of its divisors is an integer number (1053564925104).

Almost surely, 213021426573255 is an apocalyptic number.

13021426573255 is a deficient number, since it is larger than the sum of its proper divisors (3835612228409).

13021426573255 is a wasteful number, since it uses less digits than its factorization.

13021426573255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890438826.

The product of its (nonzero) digits is 1512000, while the sum is 46.

Adding to 13021426573255 its reverse (55237562412031), we get a palindrome (68258988985286).

The spelling of 13021426573255 in words is "thirteen trillion, twenty-one billion, four hundred twenty-six million, five hundred seventy-three thousand, two hundred fifty-five".

Divisors: 1 5 17 53 85 265 901 4505 2890438751 14452193755 49137458767 153193253803 245687293835 765966269015 2604285314651 13021426573255