Base | Representation |
---|---|
bin | 100111010101111… |
… | …0100111110010111 |
3 | 10102000000122020220 |
4 | 1032223310332113 |
5 | 10200422041043 |
6 | 334554325423 |
7 | 44466524046 |
oct | 11653647627 |
9 | 3360018226 |
10 | 1320112023 |
11 | 61819477a |
12 | 30a129873 |
13 | 18065a399 |
14 | c747855d |
15 | 7ad64483 |
hex | 4eaf4f97 |
1320112023 has 4 divisors (see below), whose sum is σ = 1760149368. Its totient is φ = 880074680.
The previous prime is 1320112007. The next prime is 1320112037. The reversal of 1320112023 is 3202110231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3202110231 = 3 ⋅1067370077.
It is a cyclic number.
It is not a de Polignac number, because 1320112023 - 24 = 1320112007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1320111993 and 1320112011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1320112043) 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, 220018668 + ... + 220018673.
It is an arithmetic number, because the mean of its divisors is an integer number (440037342).
Almost surely, 21320112023 is an apocalyptic number.
1320112023 is a deficient number, since it is larger than the sum of its proper divisors (440037345).
1320112023 is an equidigital number, since it uses as much as digits as its factorization.
1320112023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440037344.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1320112023 is about 36333.3458822608. The cubic root of 1320112023 is about 1096.9923411483.
Adding to 1320112023 its reverse (3202110231), we get a palindrome (4522222254).
The spelling of 1320112023 in words is "one billion, three hundred twenty million, one hundred twelve thousand, twenty-three".
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