Base | Representation |
---|---|
bin | 10011000010100100… |
… | …10000011011010101 |
3 | 222101101201000100021 |
4 | 21201102100123111 |
5 | 131413330013141 |
6 | 4410155145141 |
7 | 511212335125 |
oct | 114122203325 |
9 | 28341630307 |
10 | 10222110421 |
11 | 4376129946 |
12 | 1b934451b1 |
13 | c6ba16663 |
14 | 6cd85cc85 |
15 | 3ec6336d1 |
hex | 2614906d5 |
10222110421 has 8 divisors (see below), whose sum is σ = 10831118040. Its totient is φ = 9613959168.
The previous prime is 10222110403. The next prime is 10222110461. The reversal of 10222110421 is 12401122201.
It can be written as a sum of positive squares in 4 ways, for example, as 1571250321 + 8650860100 = 39639^2 + 93010^2 .
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 10222110421 - 227 = 10087892693 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10222110395 and 10222110404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10222110461) 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, 189426 + ... + 237331.
It is an arithmetic number, because the mean of its divisors is an integer number (1353889755).
Almost surely, 210222110421 is an apocalyptic number.
It is an amenable number.
10222110421 is a deficient number, since it is larger than the sum of its proper divisors (609007619).
10222110421 is a wasteful number, since it uses less digits than its factorization.
10222110421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428183.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 10222110421 its reverse (12401122201), we get a palindrome (22623232622).
The spelling of 10222110421 in words is "ten billion, two hundred twenty-two million, one hundred ten thousand, four hundred twenty-one".
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