Base | Representation |
---|---|
bin | 10010101010101101… |
… | …11100010001110101 |
3 | 221212110011221221102 |
4 | 21111112330101311 |
5 | 131011113341041 |
6 | 4334250255445 |
7 | 503232460640 |
oct | 112526742165 |
9 | 27773157842 |
10 | 10022012021 |
11 | 4283189a6a |
12 | 1b38427585 |
13 | c39426638 |
14 | 6b1052a57 |
15 | 3d9caa09b |
hex | 2555bc475 |
10022012021 has 16 divisors (see below), whose sum is σ = 11725824000. Its totient is φ = 8386419888.
The previous prime is 10022012017. The next prime is 10022012069. The reversal of 10022012021 is 12021022001.
It is a happy number.
It is not a de Polignac number, because 10022012021 - 22 = 10022012017 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 10022011993 and 10022012011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10022018021) 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, 715160 + ... + 729038.
It is an arithmetic number, because the mean of its divisors is an integer number (732864000).
Almost surely, 210022012021 is an apocalyptic number.
It is an amenable number.
10022012021 is a deficient number, since it is larger than the sum of its proper divisors (1703811979).
10022012021 is a wasteful number, since it uses less digits than its factorization.
10022012021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16328.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 10022012021 its reverse (12021022001), we get a palindrome (22043034022).
The spelling of 10022012021 in words is "ten billion, twenty-two million, twelve thousand, twenty-one".
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