Base | Representation |
---|---|
bin | 111100010100100… |
… | …000110011110111 |
3 | 2121112021110001102 |
4 | 330110200303313 |
5 | 4033033311411 |
6 | 244230520315 |
7 | 34035642101 |
oct | 7424406367 |
9 | 2545243042 |
10 | 1012010231 |
11 | 47a2872a1 |
12 | 242b0609b |
13 | 131883a2b |
14 | 98596571 |
15 | 5dca4d3b |
hex | 3c520cf7 |
1012010231 has 4 divisors (see below), whose sum is σ = 1015948272. Its totient is φ = 1008072192.
The previous prime is 1012010213. The next prime is 1012010261. The reversal of 1012010231 is 1320102101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1012010231 - 222 = 1007815927 is a prime.
It is a super-2 number, since 2×10120102312 = 2048329415297346722, 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 (1012010201) 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, 1968635 + ... + 1969148.
It is an arithmetic number, because the mean of its divisors is an integer number (253987068).
Almost surely, 21012010231 is an apocalyptic number.
1012010231 is a deficient number, since it is larger than the sum of its proper divisors (3938041).
1012010231 is an equidigital number, since it uses as much as digits as its factorization.
1012010231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3938040.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1012010231 is about 31812.1082451321. The cubic root of 1012010231 is about 1003.9874891300.
Adding to 1012010231 its reverse (1320102101), we get a palindrome (2332112332).
The spelling of 1012010231 in words is "one billion, twelve million, ten thousand, two hundred thirty-one".
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