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23213020201 = 73316145743
BaseRepresentation
bin10101100111100110…
…101001010000101001
32012220202101121100221
4111213212221100221
5340020013121301
614355223330041
71451145262510
oct254746512051
965822347327
1023213020201
119932165718
1245b9bb0921
13225c254917
1411a2cdd677
1590cd8bda1
hex5679a9429

23213020201 has 4 divisors (see below), whose sum is σ = 26529165952. Its totient is φ = 19896874452.

The previous prime is 23213020199. The next prime is 23213020219. The reversal of 23213020201 is 10202031232.

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 not a de Polignac number, because 23213020201 - 21 = 23213020199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658072865 + ... + 1658072878.

It is an arithmetic number, because the mean of its divisors is an integer number (6632291488).

Almost surely, 223213020201 is an apocalyptic number.

It is an amenable number.

23213020201 is a deficient number, since it is larger than the sum of its proper divisors (3316145751).

23213020201 is an equidigital number, since it uses as much as digits as its factorization.

23213020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316145750.

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

Adding to 23213020201 its reverse (10202031232), we get a palindrome (33415051433).

The spelling of 23213020201 in words is "twenty-three billion, two hundred thirteen million, twenty thousand, two hundred one".

Divisors: 1 7 3316145743 23213020201