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23211001001 = 107239907637
BaseRepresentation
bin10101100111011110…
…111100010010101001
32012220121121000112202
4111213132330102221
5340014004013001
614355112145545
71451122152566
oct254736742251
965817530482
1023211001001
119931006661
1245b93982b5
13225b9c8826
1411a293586d
1590cadd96b
hex5677bc4a9

23211001001 has 8 divisors (see below), whose sum is σ = 23525976960. Its totient is φ = 22897841008.

The previous prime is 23211000979. The next prime is 23211001067. The reversal of 23211001001 is 10010011232.

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 23211001001 - 234 = 6031131817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211001081) 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, 428246 + ... + 479391.

It is an arithmetic number, because the mean of its divisors is an integer number (2940747120).

Almost surely, 223211001001 is an apocalyptic number.

It is an amenable number.

23211001001 is a deficient number, since it is larger than the sum of its proper divisors (314975959).

23211001001 is a wasteful number, since it uses less digits than its factorization.

23211001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907983.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 23211001001 its reverse (10010011232), we get a palindrome (33221012233).

The spelling of 23211001001 in words is "twenty-three billion, two hundred eleven million, one thousand, one".

Divisors: 1 107 239 25573 907637 97117159 216925243 23211001001