Base | Representation |
---|---|
bin | 111110101010011… |
… | …100100011111111 |
3 | 2201021020022021112 |
4 | 332222130203333 |
5 | 4123114030211 |
6 | 252153152235 |
7 | 35024011436 |
oct | 7652344377 |
9 | 2637208245 |
10 | 1051314431 |
11 | 49a492102 |
12 | 2540bb67b |
13 | 139a6595b |
14 | 9d8a811d |
15 | 6246a88b |
hex | 3ea9c8ff |
1051314431 has 4 divisors (see below), whose sum is σ = 1059339864. Its totient is φ = 1043289000.
The previous prime is 1051314401. The next prime is 1051314461. The reversal of 1051314431 is 1344131501.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344131501 = 647 ⋅2077483.
It is an interprime number because it is at equal distance from previous prime (1051314401) and next prime (1051314461).
It is a cyclic number.
It is not a de Polignac number, because 1051314431 - 214 = 1051298047 is a prime.
It is a super-2 number, since 2×10513144312 = 2210524065657707522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1051314397 and 1051314406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1051314401) 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, 4012520 + ... + 4012781.
It is an arithmetic number, because the mean of its divisors is an integer number (264834966).
Almost surely, 21051314431 is an apocalyptic number.
1051314431 is a deficient number, since it is larger than the sum of its proper divisors (8025433).
1051314431 is an equidigital number, since it uses as much as digits as its factorization.
1051314431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8025432.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 1051314431 is about 32423.9792591841. The cubic root of 1051314431 is about 1016.8203015096.
Adding to 1051314431 its reverse (1344131501), we get a palindrome (2395445932).
The spelling of 1051314431 in words is "one billion, fifty-one million, three hundred fourteen thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •