Base | Representation |
---|---|
bin | 100000000011110… |
… | …0010111101110101 |
3 | 2202222011020111110 |
4 | 1000013202331311 |
5 | 4200341020203 |
6 | 254424225233 |
7 | 35441320032 |
oct | 10007427565 |
9 | 2688136443 |
10 | 1075720053 |
11 | 502241441 |
12 | 26030b219 |
13 | 141b2c455 |
14 | a2c1c389 |
15 | 6468bd03 |
hex | 401e2f75 |
1075720053 has 4 divisors (see below), whose sum is σ = 1434293408. Its totient is φ = 717146700.
The previous prime is 1075720031. The next prime is 1075720081. The reversal of 1075720053 is 3500275701.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1075720053 - 25 = 1075720021 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1075720053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1075720003) 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, 179286673 + ... + 179286678.
It is an arithmetic number, because the mean of its divisors is an integer number (358573352).
Almost surely, 21075720053 is an apocalyptic number.
It is an amenable number.
1075720053 is a deficient number, since it is larger than the sum of its proper divisors (358573355).
1075720053 is an equidigital number, since it uses as much as digits as its factorization.
1075720053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358573354.
The product of its (nonzero) digits is 7350, while the sum is 30.
The square root of 1075720053 is about 32798.1714886669. The cubic root of 1075720053 is about 1024.6284762592.
Adding to 1075720053 its reverse (3500275701), we get a palindrome (4575995754).
The spelling of 1075720053 in words is "one billion, seventy-five million, seven hundred twenty thousand, fifty-three".
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