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23002310221 = 1143671096659
BaseRepresentation
bin10101011011000010…
…110110011001001101
32012101001220102121121
4111123002312121031
5334102042411341
614322255200541
71443006260632
oct253302663115
965331812547
1023002310221
119834228140
12455b516151
1322276ba867
141182d30189
158e96194d1
hex55b0b664d

23002310221 has 32 divisors (see below), whose sum is σ = 26303270400. Its totient is φ = 19932454080.

The previous prime is 23002310203. The next prime is 23002310239. The reversal of 23002310221 is 12201320032.

It is an interprime number because it is at equal distance from previous prime (23002310203) and next prime (23002310239).

It is not a de Polignac number, because 23002310221 - 221 = 23000213069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23002310195 and 23002310204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002310291) 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, 3450990 + ... + 3457648.

It is an arithmetic number, because the mean of its divisors is an integer number (821977200).

Almost surely, 223002310221 is an apocalyptic number.

It is an amenable number.

23002310221 is a deficient number, since it is larger than the sum of its proper divisors (3300960179).

23002310221 is a wasteful number, since it uses less digits than its factorization.

23002310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23002310221 its reverse (12201320032), we get a palindrome (35203630253).

The spelling of 23002310221 in words is "twenty-three billion, two million, three hundred ten thousand, two hundred twenty-one".

Divisors: 1 11 43 67 109 473 737 1199 2881 4687 6659 7303 31691 51557 73249 80333 286337 314029 446153 725831 3149707 3454319 4907683 7984141 19184579 31210733 48630677 211030369 343318063 534937447 2091119111 23002310221