Base | Representation |
---|---|
bin | 10101101000101011… |
… | …010011110110011011 |
3 | 2012222000021010001120 |
4 | 111220223103312123 |
5 | 340034120123233 |
6 | 14401105220323 |
7 | 1451454262401 |
oct | 255053236633 |
9 | 65860233046 |
10 | 23231020443 |
11 | 994133a554 |
12 | 46040316a3 |
13 | 2262bb7a57 |
14 | 11a5467471 |
15 | 90e7454b3 |
hex | 568ad3d9b |
23231020443 has 8 divisors (see below), whose sum is σ = 30977564688. Its totient is φ = 15485911584.
The previous prime is 23231020433. The next prime is 23231020451. The reversal of 23231020443 is 34402013232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23231020443 - 210 = 23231019419 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23231020433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320496 + ... + 386237.
It is an arithmetic number, because the mean of its divisors is an integer number (3872195586).
Almost surely, 223231020443 is an apocalyptic number.
23231020443 is a deficient number, since it is larger than the sum of its proper divisors (7746544245).
23231020443 is a wasteful number, since it uses less digits than its factorization.
23231020443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717693.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 23231020443 its reverse (34402013232), we get a palindrome (57633033675).
The spelling of 23231020443 in words is "twenty-three billion, two hundred thirty-one million, twenty thousand, four hundred forty-three".
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