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20230013233 = 74892701297
BaseRepresentation
bin10010110101110011…
…011000000100110001
31221012212100011002101
4102311303120010301
5312412340410413
613143223220401
71314214163263
oct226563300461
957185304071
1020230013233
118641351401
123b06ba7701
131ba523cc41
14d9ca7bb33
157d6052edd
hex4b5cd8131

20230013233 has 4 divisors (see below), whose sum is σ = 20232722020. Its totient is φ = 20227304448.

The previous prime is 20230013231. The next prime is 20230013257. The reversal of 20230013233 is 33231003202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5958604864 + 14271408369 = 77192^2 + 119463^2 .

It is a cyclic number.

It is not a de Polignac number, because 20230013233 - 21 = 20230013231 is a prime.

It is a super-2 number, since 2×202300132332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20230013233.

It is not an unprimeable number, because it can be changed into a prime (20230013231) 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, 1343160 + ... + 1358137.

It is an arithmetic number, because the mean of its divisors is an integer number (5058180505).

Almost surely, 220230013233 is an apocalyptic number.

It is an amenable number.

20230013233 is a deficient number, since it is larger than the sum of its proper divisors (2708787).

20230013233 is an equidigital number, since it uses as much as digits as its factorization.

20230013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708786.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20230013233 its reverse (33231003202), we get a palindrome (53461016435).

The spelling of 20230013233 in words is "twenty billion, two hundred thirty million, thirteen thousand, two hundred thirty-three".

Divisors: 1 7489 2701297 20230013233