Base | Representation |
---|---|
bin | 10010101010100111… |
… | …11000100001011001 |
3 | 221212101200020001101 |
4 | 21111103320201121 |
5 | 131010412211301 |
6 | 4334221151401 |
7 | 503222611162 |
oct | 112523704131 |
9 | 27771606041 |
10 | 10021210201 |
11 | 4282791602 |
12 | 1b380bb561 |
13 | c392056a2 |
14 | 6b0cc4769 |
15 | 3d9b9c701 |
hex | 2554f8859 |
10021210201 has 16 divisors (see below), whose sum is σ = 10875226320. Its totient is φ = 9196830720.
The previous prime is 10021210187. The next prime is 10021210219. The reversal of 10021210201 is 10201212001.
It can be written as a sum of positive squares in 8 ways, for example, as 655616025 + 9365594176 = 25605^2 + 96776^2 .
It is a cyclic number.
It is not a de Polignac number, because 10021210201 - 25 = 10021210169 is a prime.
It is a super-4 number, since 4×100212102014 (a number of 41 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10021210231) 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, 2574865 + ... + 2578753.
It is an arithmetic number, because the mean of its divisors is an integer number (679701645).
Almost surely, 210021210201 is an apocalyptic number.
It is an amenable number.
10021210201 is a deficient number, since it is larger than the sum of its proper divisors (854016119).
10021210201 is a wasteful number, since it uses less digits than its factorization.
10021210201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7644.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 10021210201 its reverse (10201212001), we get a palindrome (20222422202).
The spelling of 10021210201 in words is "ten billion, twenty-one million, two hundred ten thousand, two hundred one".
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