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23302121021 = 157647229399
BaseRepresentation
bin10101101100111010…
…100010011000111101
32020010222001101201022
4111230322202120331
5340210320333041
614412125153525
71453306521614
oct255472423075
966128041638
1023302121021
119978492463
1246239bb8a5
1322748504ba
1411b0a9487b
15915adc24b
hex56cea263d

23302121021 has 8 divisors (see below), whose sum is σ = 23486889600. Its totient is φ = 23117812848.

The previous prime is 23302120979. The next prime is 23302121027. The reversal of 23302121021 is 12012120332.

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 23302121021 - 26 = 23302120957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302121027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13121 + ... + 216278.

It is an arithmetic number, because the mean of its divisors is an integer number (2935861200).

Almost surely, 223302121021 is an apocalyptic number.

It is an amenable number.

23302121021 is a deficient number, since it is larger than the sum of its proper divisors (184768579).

23302121021 is a wasteful number, since it uses less digits than its factorization.

23302121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230203.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23302121021 its reverse (12012120332), we get a palindrome (35314241353).

The spelling of 23302121021 in words is "twenty-three billion, three hundred two million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 157 647 101579 229399 36015643 148421153 23302121021