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23002332221 = 1118891106999
BaseRepresentation
bin10101011011000010…
…111011110000111101
32012101001221112210102
4111123002323300331
5334102044112341
614322255450445
71443006412031
oct253302736075
965331845712
1023002332221
119834242720
12455b526a25
1322276c788b
141182d381c1
158e9620c9b
hex55b0bbc3d

23002332221 has 8 divisors (see below), whose sum is σ = 25106760000. Its totient is φ = 20900122240.

The previous prime is 23002332203. The next prime is 23002332247. The reversal of 23002332221 is 12223320032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23002332221 - 214 = 23002315837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23002332193 and 23002332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002332251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532721 + ... + 574278.

It is an arithmetic number, because the mean of its divisors is an integer number (3138345000).

Almost surely, 223002332221 is an apocalyptic number.

It is an amenable number.

23002332221 is a deficient number, since it is larger than the sum of its proper divisors (2104427779).

23002332221 is a wasteful number, since it uses less digits than its factorization.

23002332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108899.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23002332221 its reverse (12223320032), we get a palindrome (35225652253).

The spelling of 23002332221 in words is "twenty-three billion, two million, three hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 11 1889 20779 1106999 12176989 2091121111 23002332221