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20223001013 = 23984615067
BaseRepresentation
bin10010110101011000…
…101000000110110101
31221012101010220010112
4102311120220012311
5312404042013023
613142413032405
71314100446425
oct226530500665
957171126115
1020223001013
1186383a1a86
123b04785705
131ba39562b7
14d9bb74485
157d561a478
hex4b56281b5

20223001013 has 4 divisors (see below), whose sum is σ = 20307616320. Its totient is φ = 20138385708.

The previous prime is 20223000983. The next prime is 20223001037. The reversal of 20223001013 is 31010032202.

It is a happy number.

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 20223001013 - 210 = 20222999989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223001913) 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, 42307295 + ... + 42307772.

It is an arithmetic number, because the mean of its divisors is an integer number (5076904080).

Almost surely, 220223001013 is an apocalyptic number.

It is an amenable number.

20223001013 is a deficient number, since it is larger than the sum of its proper divisors (84615307).

20223001013 is an equidigital number, since it uses as much as digits as its factorization.

20223001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84615306.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20223001013 its reverse (31010032202), we get a palindrome (51233033215).

The spelling of 20223001013 in words is "twenty billion, two hundred twenty-three million, one thousand, thirteen".

Divisors: 1 239 84615067 20223001013