Search a number
-
+
213120021233102 = 2831465387617249
BaseRepresentation
bin110000011101010011011111…
…001010001111110111001110
31000221121002000201020221200112
4300131103133022033313032
5210413224300413424402
62033133553001400022
762614261541614544
oct6035233712176716
91027532021227615
10213120021233102
11619a7769a5a985
121baa0107a99012
1391bc193657109
143a8b0c7b1bd94
151998b1a4c2e52
hexc1d4df28fdce

213120021233102 has 16 divisors (see below), whose sum is σ = 323553681738000. Its totient is φ = 105268969251072.

The previous prime is 213120021233087. The next prime is 213120021233137. The reversal of 213120021233102 is 201332120021312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41376227 + ... + 46241022.

It is an arithmetic number, because the mean of its divisors is an integer number (20222105108625).

Almost surely, 2213120021233102 is an apocalyptic number.

213120021233102 is a deficient number, since it is larger than the sum of its proper divisors (110433660504898).

213120021233102 is a wasteful number, since it uses less digits than its factorization.

213120021233102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87631987.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213120021233102 its reverse (201332120021312), we get a palindrome (414452141254414).

The spelling of 213120021233102 in words is "two hundred thirteen trillion, one hundred twenty billion, twenty-one million, two hundred thirty-three thousand, one hundred two".

Divisors: 1 2 83 166 14653 29306 1216199 2432398 87617249 175234498 7272231667 14544463334 1283855549597 2567711099194 106560010616551 213120021233102