Base | Representation |
---|---|
bin | 11010001111001… |
… | …11101010111110 |
3 | 120100011022020101 |
4 | 31013213222332 |
5 | 422321220220 |
6 | 33501311314 |
7 | 5311554532 |
oct | 1507475276 |
9 | 510138211 |
10 | 220101310 |
11 | 103272410 |
12 | 6186553a |
13 | 367a4880 |
14 | 21335bc2 |
15 | 144ca30a |
hex | d1e7abe |
220101310 has 64 divisors (see below), whose sum is σ = 469022400. Its totient is φ = 73313280.
The previous prime is 220101293. The next prime is 220101311. The reversal of 220101310 is 13101022.
It is a super-2 number, since 2×2201013102 = 96889173327432200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220101311) 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, 212554 + ... + 213586.
It is an arithmetic number, because the mean of its divisors is an integer number (7328475).
Almost surely, 2220101310 is an apocalyptic number.
220101310 is an abundant number, since it is smaller than the sum of its proper divisors (248921090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220101310 is a wasteful number, since it uses less digits than its factorization.
220101310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1213.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 220101310 is about 14835.8117405149. The cubic root of 220101310 is about 603.7737245041.
Adding to 220101310 its reverse (13101022), we get a palindrome (233202332).
The spelling of 220101310 in words is "two hundred twenty million, one hundred one thousand, three hundred ten".
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