Base | Representation |
---|---|
bin | 10100110001110011… |
… | …100010011100111001 |
3 | 2010120212000022002112 |
4 | 110301303202130321 |
5 | 331142432234041 |
6 | 14125501542105 |
7 | 1416605346641 |
oct | 246163423471 |
9 | 63525008075 |
10 | 22310430521 |
11 | 9509724735 |
12 | 43a7874935 |
13 | 21472625a2 |
14 | 11190ab521 |
15 | 8a89ecdeb |
hex | 531ce2739 |
22310430521 has 8 divisors (see below), whose sum is σ = 22474859784. Its totient is φ = 22146284160.
The previous prime is 22310430511. The next prime is 22310430523. The reversal of 22310430521 is 12503401322.
It can be written as a sum of positive squares in 4 ways, for example, as 149940025 + 22160490496 = 12245^2 + 148864^2 .
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 22310430521 - 226 = 22243321657 is a prime.
It is a super-3 number, since 3×223104305213 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22310430523) 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, 88901 + ... + 229181.
It is an arithmetic number, because the mean of its divisors is an integer number (2809357473).
Almost surely, 222310430521 is an apocalyptic number.
It is an amenable number.
22310430521 is a deficient number, since it is larger than the sum of its proper divisors (164429263).
22310430521 is a wasteful number, since it uses less digits than its factorization.
22310430521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141451.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 22310430521 its reverse (12503401322), we get a palindrome (34813831843).
The spelling of 22310430521 in words is "twenty-two billion, three hundred ten million, four hundred thirty thousand, five hundred twenty-one".
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