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13060552452221 = 20996222273679
BaseRepresentation
bin1011111000001110010110…
…0101101110100001111101
31201020120120100121211000002
42332003211211232201331
53202441002411432341
643435533541444045
72515410444063101
oct276034545564175
951216510554002
1013060552452221
114185a4940a33a
12156b280710625
137397b2a03cc1
143321c4005901
15179b0566429b
hexbe0e596e87d

13060552452221 has 4 divisors (see below), whose sum is σ = 13066774728000. Its totient is φ = 13054330176444.

The previous prime is 13060552452179. The next prime is 13060552452239. The reversal of 13060552452221 is 12225425506031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13060552452221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13060552452271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3111134741 + ... + 3111138938.

It is an arithmetic number, because the mean of its divisors is an integer number (3266693682000).

Almost surely, 213060552452221 is an apocalyptic number.

It is an amenable number.

13060552452221 is a deficient number, since it is larger than the sum of its proper divisors (6222275779).

13060552452221 is an equidigital number, since it uses as much as digits as its factorization.

13060552452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222275778.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 13060552452221 its reverse (12225425506031), we get a palindrome (25285977958252).

The spelling of 13060552452221 in words is "thirteen trillion, sixty billion, five hundred fifty-two million, four hundred fifty-two thousand, two hundred twenty-one".

Divisors: 1 2099 6222273679 13060552452221