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13330430044021 = 26987949394099
BaseRepresentation
bin1100000111111011101110…
…0011000010011101110101
31202012101011120220221220001
43001332323203002131311
53221401210042402041
644203525351111301
72544043324545406
oct301767343023565
952171146827801
1013330430044021
11427a449266502
1215b363a072531
13759091cac71c
143412a67579ad
15181b4d5ba131
hexc1fbb8c2775

13330430044021 has 4 divisors (see below), whose sum is σ = 13330479708000. Its totient is φ = 13330380380044.

The previous prime is 13330430043979. The next prime is 13330430044123. The reversal of 13330430044021 is 12044003403331.

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 not a de Polignac number, because 13330430044021 - 213 = 13330430035829 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 (13330430144021) 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, 24427171 + ... + 24966928.

It is an arithmetic number, because the mean of its divisors is an integer number (3332619927000).

Almost surely, 213330430044021 is an apocalyptic number.

It is an amenable number.

13330430044021 is a deficient number, since it is larger than the sum of its proper divisors (49663979).

13330430044021 is an equidigital number, since it uses as much as digits as its factorization.

13330430044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49663978.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13330430044021 its reverse (12044003403331), we get a palindrome (25374433447352).

The spelling of 13330430044021 in words is "thirteen trillion, three hundred thirty billion, four hundred thirty million, forty-four thousand, twenty-one".

Divisors: 1 269879 49394099 13330430044021