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13021311300223 = 30742414694789
BaseRepresentation
bin1011110101111100001010…
…1000100111001001111111
31201002211021120110202021011
42331133002220213021333
53201320121143101343
643405524031420051
72512521142562122
oct275370250471177
951084246422234
1013021311300223
114170341845006
12156374a984627
13735b9ac26635
143303405303b9
15178aaa5c629d
hexbd7c2a2727f

13021311300223 has 4 divisors (see below), whose sum is σ = 13063725995320. Its totient is φ = 12978896605128.

The previous prime is 13021311300209. The next prime is 13021311300229. The reversal of 13021311300223 is 32200311312031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13021311300223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021311300194 and 13021311300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021311300229) 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, 21207347088 + ... + 21207347701.

It is an arithmetic number, because the mean of its divisors is an integer number (3265931498830).

Almost surely, 213021311300223 is an apocalyptic number.

13021311300223 is a deficient number, since it is larger than the sum of its proper divisors (42414695097).

13021311300223 is an equidigital number, since it uses as much as digits as its factorization.

13021311300223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42414695096.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13021311300223 its reverse (32200311312031), we get a palindrome (45221622612254).

The spelling of 13021311300223 in words is "thirteen trillion, twenty-one billion, three hundred eleven million, three hundred thousand, two hundred twenty-three".

Divisors: 1 307 42414694789 13021311300223