Base | Representation |
---|---|
bin | 10100100001000110… |
… | …101010100111011111 |
3 | 2002212022202202000200 |
4 | 110201012222213133 |
5 | 330104214411111 |
6 | 14042012154543 |
7 | 1406633611503 |
oct | 244106524737 |
9 | 62768682020 |
10 | 22030232031 |
11 | 9385545435 |
12 | 4329a68a53 |
13 | 21011a8772 |
14 | 10cdbb0303 |
15 | 88e101256 |
hex | 5211aa9df |
22030232031 has 6 divisors (see below), whose sum is σ = 31821446280. Its totient is φ = 14686821348.
The previous prime is 22030231969. The next prime is 22030232047. The reversal of 22030232031 is 13023203022.
It is a happy number.
It is not a de Polignac number, because 22030232031 - 211 = 22030229983 is a prime.
It is a super-2 number, since 2×220302320312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22030231995 and 22030232013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22030232831) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223901771 + ... + 1223901788.
It is an arithmetic number, because the mean of its divisors is an integer number (5303574380).
Almost surely, 222030232031 is an apocalyptic number.
22030232031 is a deficient number, since it is larger than the sum of its proper divisors (9791214249).
22030232031 is a wasteful number, since it uses less digits than its factorization.
22030232031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447803565 (or 2447803562 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 22030232031 its reverse (13023203022), we get a palindrome (35053435053).
The spelling of 22030232031 in words is "twenty-two billion, thirty million, two hundred thirty-two thousand, thirty-one".
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