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13320222041021 = 71902888863003
BaseRepresentation
bin1100000111010101101100…
…0110100110001110111101
31202011101211011202200021212
43001311123012212032331
53221214303320303041
644155120414134205
72543232343134620
oct301653306461675
952141734680255
1013320222041021
1142760900a2795
1215b166b4b1365
1375812619536c
143409b8b2bdb7
151817523218eb
hexc1d5b1a63bd

13320222041021 has 4 divisors (see below), whose sum is σ = 15223110904032. Its totient is φ = 11417333178012.

The previous prime is 13320222041003. The next prime is 13320222041081. The reversal of 13320222041021 is 12014022202331.

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-13320222041021 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 (13320222041081) 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, 951444431495 + ... + 951444431508.

It is an arithmetic number, because the mean of its divisors is an integer number (3805777726008).

Almost surely, 213320222041021 is an apocalyptic number.

It is an amenable number.

13320222041021 is a deficient number, since it is larger than the sum of its proper divisors (1902888863011).

13320222041021 is an equidigital number, since it uses as much as digits as its factorization.

13320222041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902888863010.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13320222041021 its reverse (12014022202331), we get a palindrome (25334244243352).

The spelling of 13320222041021 in words is "thirteen trillion, three hundred twenty billion, two hundred twenty-two million, forty-one thousand, twenty-one".

Divisors: 1 7 1902888863003 13320222041021