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20230002313 = 198911017043
BaseRepresentation
bin10010110101110011…
…010101011010001001
31221012212022121002221
4102311303111122021
5312412340033223
613143223054041
71314214116403
oct226563253211
957185277087
1020230002313
118641344184
123b06ba1321
131ba5237c91
14d9ca77b73
157d604eb5d
hex4b5cd5689

20230002313 has 4 divisors (see below), whose sum is σ = 20231039248. Its totient is φ = 20228965380.

The previous prime is 20230002293. The next prime is 20230002379. The reversal of 20230002313 is 31320003202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31320003202 = 215660001601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20230002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230009313) 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, 488631 + ... + 528412.

It is an arithmetic number, because the mean of its divisors is an integer number (5057759812).

Almost surely, 220230002313 is an apocalyptic number.

It is an amenable number.

20230002313 is a deficient number, since it is larger than the sum of its proper divisors (1036935).

20230002313 is a wasteful number, since it uses less digits than its factorization.

20230002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036934.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20230002313 its reverse (31320003202), we get a palindrome (51550005515).

The spelling of 20230002313 in words is "twenty billion, two hundred thirty million, two thousand, three hundred thirteen".

Divisors: 1 19891 1017043 20230002313