Base | Representation |
---|---|
bin | 111100110110110… |
… | …110010100011110 |
3 | 2122011012202002202 |
4 | 330312312110132 |
5 | 4042334324410 |
6 | 245151451502 |
7 | 34205311061 |
oct | 7466662436 |
9 | 2564182082 |
10 | 1021011230 |
11 | 484374938 |
12 | 245b26b92 |
13 | 1336b5975 |
14 | 9985a8d8 |
15 | 5e981ca5 |
hex | 3cdb651e |
1021011230 has 16 divisors (see below), whose sum is σ = 1839302640. Its totient is φ = 408075072.
The previous prime is 1021011217. The next prime is 1021011241. The reversal of 1021011230 is 321101201.
It is a super-2 number, since 2×10210112302 = 2084927863572225800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27959 + ... + 53138.
It is an arithmetic number, because the mean of its divisors is an integer number (114956415).
Almost surely, 21021011230 is an apocalyptic number.
1021011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1021011230 is a deficient number, since it is larger than the sum of its proper divisors (818291410).
1021011230 is a wasteful number, since it uses less digits than its factorization.
1021011230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82363.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1021011230 is about 31953.2663432082. The cubic root of 1021011230 is about 1006.9552555981.
Adding to 1021011230 its reverse (321101201), we get a palindrome (1342112431).
The spelling of 1021011230 in words is "one billion, twenty-one million, eleven thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •