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23120002133 = 47491914939
BaseRepresentation
bin10101100010000011…
…110011110001010101
32012200021100210120022
4111202003303301111
5334322210032013
614342101514525
71445635530014
oct254203636125
965607323508
1023120002133
119894702888
124592a12a45
132245bb7047
141194808a7b
15904b16008
hex5620f3c55

23120002133 has 4 divisors (see below), whose sum is σ = 23611917120. Its totient is φ = 22628087148.

The previous prime is 23120002121. The next prime is 23120002183. The reversal of 23120002133 is 33120002132.

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 23120002133 - 224 = 23103224917 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 (23120002183) 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, 245957423 + ... + 245957516.

It is an arithmetic number, because the mean of its divisors is an integer number (5902979280).

Almost surely, 223120002133 is an apocalyptic number.

It is an amenable number.

23120002133 is a deficient number, since it is larger than the sum of its proper divisors (491914987).

23120002133 is an equidigital number, since it uses as much as digits as its factorization.

23120002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491914986.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23120002133 its reverse (33120002132), we get a palindrome (56240004265).

Subtracting 23120002133 from its reverse (33120002132), we obtain a palindrome (9999999999).

The spelling of 23120002133 in words is "twenty-three billion, one hundred twenty million, two thousand, one hundred thirty-three".

Divisors: 1 47 491914939 23120002133