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23101021001 = 76433022507
BaseRepresentation
bin10101100000111011…
…011001101101001001
32012121221122110100102
4111200323121231021
5334302330133001
614340143015145
71445315303312
oct254073315511
965557573312
1023101021001
119884a18aa3
12458859a4b5
132241c9c5c6
1411920a7609
15903116e6b
hex560ed9b49

23101021001 has 4 divisors (see below), whose sum is σ = 23104051152. Its totient is φ = 23097990852.

The previous prime is 23101020997. The next prime is 23101021049. The reversal of 23101021001 is 10012010132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23101021001 - 22 = 23101020997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23101021901) 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, 1503611 + ... + 1518896.

It is an arithmetic number, because the mean of its divisors is an integer number (5776012788).

Almost surely, 223101021001 is an apocalyptic number.

It is an amenable number.

23101021001 is a deficient number, since it is larger than the sum of its proper divisors (3030151).

23101021001 is an equidigital number, since it uses as much as digits as its factorization.

23101021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030150.

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

Adding to 23101021001 its reverse (10012010132), we get a palindrome (33113031133).

The spelling of 23101021001 in words is "twenty-three billion, one hundred one million, twenty-one thousand, one".

Divisors: 1 7643 3022507 23101021001