Base | Representation |
---|---|
bin | 100110010101… |
… | …1100011010111 |
3 | 1101211020211220 |
4 | 1030223203113 |
5 | 20121220320 |
6 | 1554501423 |
7 | 332600322 |
oct | 114534327 |
9 | 41736756 |
10 | 20101335 |
11 | 1038a481 |
12 | 6894873 |
13 | 421a5a7 |
14 | 29537b9 |
15 | 1b70e40 |
hex | 132b8d7 |
20101335 has 32 divisors (see below), whose sum is σ = 34110720. Its totient is φ = 10080000.
The previous prime is 20101331. The next prime is 20101349. The reversal of 20101335 is 53310102.
It is a happy number.
It is not a de Polignac number, because 20101335 - 22 = 20101331 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20101331) 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, 71395 + ... + 71675.
It is an arithmetic number, because the mean of its divisors is an integer number (1065960).
Almost surely, 220101335 is an apocalyptic number.
20101335 is a deficient number, since it is larger than the sum of its proper divisors (14009385).
20101335 is a wasteful number, since it uses less digits than its factorization.
20101335 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 20101335 is about 4483.4512376070. The cubic root of 20101335 is about 271.8994320757.
Adding to 20101335 its reverse (53310102), we get a palindrome (73411437).
The spelling of 20101335 in words is "twenty million, one hundred one thousand, three hundred thirty-five".
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