Base | Representation |
---|---|
bin | 10010101010100111… |
… | …10110010101000111 |
3 | 221212101122202201212 |
4 | 21111103312111013 |
5 | 131010411414343 |
6 | 4334221042035 |
7 | 503222543045 |
oct | 112523662507 |
9 | 27771582655 |
10 | 10021201223 |
11 | 4282785890 |
12 | 1b380b631b |
13 | c39201587 |
14 | 6b0cc1395 |
15 | 3d9b99c18 |
hex | 2554f6547 |
10021201223 has 16 divisors (see below), whose sum is σ = 11414587392. Its totient is φ = 8708700000.
The previous prime is 10021201163. The next prime is 10021201237. The reversal of 10021201223 is 32210212001.
It is a happy number.
It is not a de Polignac number, because 10021201223 - 28 = 10021200967 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10021201198 and 10021201207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10021201243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429098 + ... + 451848.
It is an arithmetic number, because the mean of its divisors is an integer number (713411712).
Almost surely, 210021201223 is an apocalyptic number.
10021201223 is a deficient number, since it is larger than the sum of its proper divisors (1393386169).
10021201223 is a wasteful number, since it uses less digits than its factorization.
10021201223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24526.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 10021201223 its reverse (32210212001), we get a palindrome (42231413224).
The spelling of 10021201223 in words is "ten billion, twenty-one million, two hundred one thousand, two hundred twenty-three".
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