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13230100232221 = 23575221749227
BaseRepresentation
bin1100000010000101111101…
…1011001011100000011101
31201211210012102200102220111
43000201133123023200131
53213230221124412341
644045454003050021
72533562134324435
oct300413733134035
951753172612814
1013230100232221
114240943744974
1215980b9970911
1374c793064a92
1433a4a99a32c5
1517e22a433681
hexc085f6cb81d

13230100232221 has 4 divisors (see below), whose sum is σ = 13805321981472. Its totient is φ = 12654878482972.

The previous prime is 13230100232137. The next prime is 13230100232249. The reversal of 13230100232221 is 12223200103231.

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 13230100232221 - 217 = 13230100101149 is a prime.

It is a super-2 number, since 2×132301002322212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13230100232192 and 13230100232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230100232291) 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, 287610874591 + ... + 287610874636.

It is an arithmetic number, because the mean of its divisors is an integer number (3451330495368).

Almost surely, 213230100232221 is an apocalyptic number.

It is an amenable number.

13230100232221 is a deficient number, since it is larger than the sum of its proper divisors (575221749251).

13230100232221 is an equidigital number, since it uses as much as digits as its factorization.

13230100232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575221749250.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13230100232221 its reverse (12223200103231), we get a palindrome (25453300335452).

The spelling of 13230100232221 in words is "thirteen trillion, two hundred thirty billion, one hundred million, two hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 23 575221749227 13230100232221