Base | Representation |
---|---|
bin | 100000110100000… |
… | …0001010100110111 |
3 | 2211201202010002201 |
4 | 1001220001110313 |
5 | 4223324311411 |
6 | 301130245331 |
7 | 36166301236 |
oct | 10150012467 |
9 | 2751663081 |
10 | 1101010231 |
11 | 515545312 |
12 | 268886847 |
13 | 147145759 |
14 | a6322b1d |
15 | 669d53c1 |
hex | 41a01537 |
1101010231 has 4 divisors (see below), whose sum is σ = 1101136864. Its totient is φ = 1100883600.
The previous prime is 1101010217. The next prime is 1101010249. The reversal of 1101010231 is 1320101011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320101011 = 1231 ⋅1072381.
It is a cyclic number.
It is not a de Polignac number, because 1101010231 - 217 = 1100879159 is a prime.
It is a super-2 number, since 2×11010102312 = 2424447057533346722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1101010331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49230 + ... + 68011.
It is an arithmetic number, because the mean of its divisors is an integer number (275284216).
Almost surely, 21101010231 is an apocalyptic number.
1101010231 is a deficient number, since it is larger than the sum of its proper divisors (126633).
1101010231 is an equidigital number, since it uses as much as digits as its factorization.
1101010231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126632.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1101010231 is about 33181.4742137838. The cubic root of 1101010231 is about 1032.5960313020.
Adding to 1101010231 its reverse (1320101011), we get a palindrome (2421111242).
The spelling of 1101010231 in words is "one billion, one hundred one million, ten thousand, two hundred thirty-one".
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