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23232101213 = 171366594189
BaseRepresentation
bin10101101000101111…
…011011101101011101
32012222002022000121002
4111220233123231131
5340034404214323
614401144320045
71451466413336
oct255057335535
965862260532
1023232101213
119941a08552
124604473025
1322631a5969
1411a566928d
1590e8aa828
hex568bdbb5d

23232101213 has 4 divisors (see below), whose sum is σ = 24598695420. Its totient is φ = 21865507008.

The previous prime is 23232101201. The next prime is 23232101267. The reversal of 23232101213 is 31210123232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15804764089 + 7427337124 = 125717^2 + 86182^2 .

It is a cyclic number.

It is not a de Polignac number, because 23232101213 - 26 = 23232101149 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 (23232101713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683297078 + ... + 683297111.

It is an arithmetic number, because the mean of its divisors is an integer number (6149673855).

Almost surely, 223232101213 is an apocalyptic number.

It is an amenable number.

23232101213 is a deficient number, since it is larger than the sum of its proper divisors (1366594207).

23232101213 is a wasteful number, since it uses less digits than its factorization.

23232101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366594206.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23232101213 its reverse (31210123232), we get a palindrome (54442224445).

The spelling of 23232101213 in words is "twenty-three billion, two hundred thirty-two million, one hundred one thousand, two hundred thirteen".

Divisors: 1 17 1366594189 23232101213