Base | Representation |
---|---|
bin | 10100011111010111… |
… | …111011001101101111 |
3 | 2002210022010212100111 |
4 | 110133113323031233 |
5 | 330024301431111 |
6 | 14035054040451 |
7 | 1406132063104 |
oct | 243727731557 |
9 | 62708125314 |
10 | 22001202031 |
11 | 93701177a6 |
12 | 43201a9127 |
13 | 20c8183153 |
14 | 10c9db4aab |
15 | 88b7b9a21 |
hex | 51f5fb36f |
22001202031 has 8 divisors (see below), whose sum is σ = 22923608400. Its totient is φ = 21089712000.
The previous prime is 22001202029. The next prime is 22001202037. The reversal of 22001202031 is 13020210022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22001202031 - 21 = 22001202029 is a prime.
It is a super-3 number, since 3×220012020313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22001202037) 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, 2724970 + ... + 2733031.
It is an arithmetic number, because the mean of its divisors is an integer number (2865451050).
Almost surely, 222001202031 is an apocalyptic number.
22001202031 is a deficient number, since it is larger than the sum of its proper divisors (922406369).
22001202031 is a wasteful number, since it uses less digits than its factorization.
22001202031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5458169.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 22001202031 its reverse (13020210022), we get a palindrome (35021412053).
The spelling of 22001202031 in words is "twenty-two billion, one million, two hundred two thousand, thirty-one".
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