Base | Representation |
---|---|
bin | 10011000010011100… |
… | …00100010000101010 |
3 | 222101022122012121101 |
4 | 21201032010100222 |
5 | 131413034341020 |
6 | 4410115432014 |
7 | 511200111556 |
oct | 114116042052 |
9 | 28338565541 |
10 | 10221012010 |
11 | 4375549670 |
12 | 1b92bb560a |
13 | c6b720701 |
14 | 6cd654866 |
15 | 3ec4b800a |
hex | 26138442a |
10221012010 has 64 divisors (see below), whose sum is σ = 20807280000. Its totient is φ = 3580819200.
The previous prime is 10221011993. The next prime is 10221012013. The reversal of 10221012010 is 1021012201.
It is a super-3 number, since 3×102210120103 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (10221012013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1588600 + ... + 1595020.
It is an arithmetic number, because the mean of its divisors is an integer number (325113750).
Almost surely, 210221012010 is an apocalyptic number.
10221012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10221012010 is an abundant number, since it is smaller than the sum of its proper divisors (10586267990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10221012010 is a wasteful number, since it uses less digits than its factorization.
10221012010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6967.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 10221012010 its reverse (1021012201), we get a palindrome (11242024211).
The spelling of 10221012010 in words is "ten billion, two hundred twenty-one million, twelve thousand, ten".
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