Base | Representation |
---|---|
bin | 10100110111010000… |
… | …110110010010011111 |
3 | 2010211020022111211212 |
4 | 110313100312102133 |
5 | 331334403000111 |
6 | 14142532335035 |
7 | 1422066600305 |
oct | 246720662237 |
9 | 63736274755 |
10 | 22402000031 |
11 | 9556388214 |
12 | 441247447b |
13 | 2160213a28 |
14 | 1127306275 |
15 | 8b1a8998b |
hex | 53743649f |
22402000031 has 4 divisors (see below), whose sum is σ = 22403715600. Its totient is φ = 22400284464.
The previous prime is 22402000009. The next prime is 22402000039. The reversal of 22402000031 is 13000020422.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 22402000031 - 26 = 22401999967 is a prime.
It is a super-2 number, since 2×224020000312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22402000039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838046 + ... + 864363.
It is an arithmetic number, because the mean of its divisors is an integer number (5600928900).
Almost surely, 222402000031 is an apocalyptic number.
22402000031 is a deficient number, since it is larger than the sum of its proper divisors (1715569).
22402000031 is a wasteful number, since it uses less digits than its factorization.
22402000031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1715568.
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 22402000031 its reverse (13000020422), we get a palindrome (35402020453).
The spelling of 22402000031 in words is "twenty-two billion, four hundred two million, thirty-one", and thus it is an aban number.
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