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13221222230313 = 333764081206527
BaseRepresentation
bin1100000001100100111001…
…0000010010100100101001
31201210221021201011012211000
43000121032100102210221
53213104030342332223
644041425020425213
72533126132466106
oct300311620224451
951727251135730
1013221222230313
1142380a82aa709
1215964406a8209
1374b9a995b006
14339ca6867aad
1517ddaad04543
hexc064e412929

13221222230313 has 32 divisors (see below), whose sum is σ = 20116785489920. Its totient is φ = 8575752579840.

The previous prime is 13221222230311. The next prime is 13221222230329. The reversal of 13221222230313 is 31303222212231.

13221222230313 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 122 + 223 + 0 + 313 = 666.

It is not a de Polignac number, because 13221222230313 - 21 = 13221222230311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221222230311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63913656 + ... + 64120182.

It is an arithmetic number, because the mean of its divisors is an integer number (628649546560).

Almost surely, 213221222230313 is an apocalyptic number.

It is an amenable number.

13221222230313 is a deficient number, since it is larger than the sum of its proper divisors (6895563259607).

13221222230313 is a wasteful number, since it uses less digits than its factorization.

13221222230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270654 (or 270648 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13221222230313 its reverse (31303222212231), we get a palindrome (44524444442544).

The spelling of 13221222230313 in words is "thirteen trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred thirteen".

Divisors: 1 3 9 27 37 111 333 999 64081 192243 206527 576729 619581 1730187 1858743 2370997 5576229 7112991 7641499 21338973 22924497 64016919 68773491 206320473 13234456687 39703370061 119110110183 357330330549 489674897419 1469024692257 4407074076771 13221222230313