Search a number
-
+
223013230202121 = 3439416918358321
BaseRepresentation
bin110010101101010001010000…
…010111011100110100001001
31002020121212010110022202002020
4302231101100113130310021
5213212322043412431441
62110150510312155053
764655113512425412
oct6255212027346411
91066555113282066
10223013230202121
116507141a5627a7
122101955b698a89
139759099074778
143d0dc7dd08809
151abb144ddde66
hexcad4505dcd09

223013230202121 has 16 divisors (see below), whose sum is σ = 304269360162240. Its totient is φ = 145216367331840.

The previous prime is 223013230202111. The next prime is 223013230202123. The reversal of 223013230202121 is 121202032310322.

It is not a de Polignac number, because 223013230202121 - 245 = 187828858113289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223013230202091 and 223013230202100.

It is not an unprimeable number, because it can be changed into a prime (223013230202123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2968641 + ... + 21326961.

It is an arithmetic number, because the mean of its divisors is an integer number (19016835010140).

Almost surely, 2223013230202121 is an apocalyptic number.

It is an amenable number.

223013230202121 is a deficient number, since it is larger than the sum of its proper divisors (81256129960119).

223013230202121 is a wasteful number, since it uses less digits than its factorization.

223013230202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452536.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 223013230202121 its reverse (121202032310322), we get a palindrome (344215262512443).

The spelling of 223013230202121 in words is "two hundred twenty-three trillion, thirteen billion, two hundred thirty million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 3 43 129 94169 282507 4049267 12147801 18358321 55074963 789407803 2368223409 1728784730249 5186354190747 74337743400707 223013230202121