Base | Representation |
---|---|
bin | 101000111110101… |
… | …0011100000111101 |
3 | 10112211100111222202 |
4 | 1101331103200331 |
5 | 10304001301323 |
6 | 344235321245 |
7 | 46034343602 |
oct | 12175234075 |
9 | 3484314882 |
10 | 1375025213 |
11 | 646190881 |
12 | 3245b0225 |
13 | 18bb45bb3 |
14 | d08906a9 |
15 | 80aaed28 |
hex | 51f5383d |
1375025213 has 4 divisors (see below), whose sum is σ = 1375253088. Its totient is φ = 1374797340.
The previous prime is 1375025203. The next prime is 1375025237. The reversal of 1375025213 is 3125205731.
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 a cyclic number.
It is not a de Polignac number, because 1375025213 - 212 = 1375021117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1375025203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104633 + ... + 117038.
It is an arithmetic number, because the mean of its divisors is an integer number (343813272).
Almost surely, 21375025213 is an apocalyptic number.
It is an amenable number.
1375025213 is a deficient number, since it is larger than the sum of its proper divisors (227875).
1375025213 is an equidigital number, since it uses as much as digits as its factorization.
1375025213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227874.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 1375025213 is about 37081.3324059425. The cubic root of 1375025213 is about 1111.9968419958.
The spelling of 1375025213 in words is "one billion, three hundred seventy-five million, twenty-five thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •