Search a number
-
+
102223002013221 = 347221437197961
BaseRepresentation
bin10111001111100010100101…
…101110010000111000100101
3111101221102102202210101221210
4113033202211232100320211
5101344310202003410341
61001224333202502033
730350240166400335
oct2717424556207045
9441842382711853
10102223002013221
112a631593763141
12b56b604664919
134506784311a9b
141b358966370c5
15bc40c52ccc16
hex5cf8a5b90e25

102223002013221 has 24 divisors (see below), whose sum is σ = 139323982806784. Its totient is φ = 66667563103680.

The previous prime is 102223002013169. The next prime is 102223002013267. The reversal of 102223002013221 is 122310200322201.

It is not a de Polignac number, because 102223002013221 - 239 = 101673246199333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223002013291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10602681 + ... + 17800641.

Almost surely, 2102223002013221 is an apocalyptic number.

It is an amenable number.

102223002013221 is a deficient number, since it is larger than the sum of its proper divisors (37100980793563).

102223002013221 is an equidigital number, since it uses as much as digits as its factorization.

102223002013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200201 (or 7200154 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102223002013221 its reverse (122310200322201), we get a palindrome (224533202335422).

The spelling of 102223002013221 in words is "one hundred two trillion, two hundred twenty-three billion, two million, thirteen thousand, two hundred twenty-one".

Divisors: 1 3 47 141 2143 2209 6429 6627 100721 302163 4733887 7197961 14201661 21593883 338304167 1014912501 15425230423 15900295849 46275691269 47700887547 724985829881 2174957489643 34074334004407 102223002013221