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23002120231 = 102145674933
BaseRepresentation
bin10101011011000010…
…001000000000100111
32012101001112202222221
4111123002020000213
5334102020321411
614322251133211
71443004540006
oct253302100047
965331482887
1023002120231
119834108422
12455b444207
13222765223c
141182cc0c3d
158e95cd071
hex55b088027

23002120231 has 8 divisors (see below), whose sum is σ = 23034359264. Its totient is φ = 22969902240.

The previous prime is 23002120223. The next prime is 23002120277. The reversal of 23002120231 is 13202120032.

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 23002120231 - 23 = 23002120223 is a prime.

It is a super-2 number, since 2×230021202312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002120831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660441 + ... + 4665373.

It is an arithmetic number, because the mean of its divisors is an integer number (2879294908).

Almost surely, 223002120231 is an apocalyptic number.

23002120231 is a deficient number, since it is larger than the sum of its proper divisors (32239033).

23002120231 is a wasteful number, since it uses less digits than its factorization.

23002120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521.

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

Adding to 23002120231 its reverse (13202120032), we get a palindrome (36204240263).

The spelling of 23002120231 in words is "twenty-three billion, two million, one hundred twenty thousand, two hundred thirty-one".

Divisors: 1 1021 4567 4933 4662907 5036593 22529011 23002120231