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213104145055133 = 312255043869471
BaseRepresentation
bin110000011101000100101100…
…110111011011110110011101
31000221112120001021102112210002
4300131010230313123312131
5210412444242113231013
62033122405344024045
762613160242414443
oct6035045467336635
91027476037375702
10213104145055133
11619a0a622a7442
121ba99017002025
1391ba833435677
143a8a41d3bcb93
1519984db7da358
hexc1d12cddbd9d

213104145055133 has 12 divisors (see below), whose sum is σ = 220201341450624. Its totient is φ = 206228771998200.

The previous prime is 213104145055099. The next prime is 213104145055163. The reversal of 213104145055133 is 331550541401312.

It is not a de Polignac number, because 213104145055133 - 228 = 213103876619677 is a prime.

It is a super-3 number, since 3×2131041450551333 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213104145055163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244661588 + ... + 245531058.

It is an arithmetic number, because the mean of its divisors is an integer number (18350111787552).

Almost surely, 2213104145055133 is an apocalyptic number.

It is an amenable number.

213104145055133 is a deficient number, since it is larger than the sum of its proper divisors (7097196395491).

213104145055133 is an equidigital number, since it uses as much as digits as its factorization.

213104145055133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124576 (or 1124545 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 213104145055133 its reverse (331550541401312), we get a palindrome (544654686456445).

The spelling of 213104145055133 in words is "two hundred thirteen trillion, one hundred four billion, one hundred forty-five million, fifty-five thousand, one hundred thirty-three".

Divisors: 1 31 961 255043 869471 7906333 26953601 245096323 835561631 221752492253 6874327259843 213104145055133