Base | Representation |
---|---|
bin | 1001001011101010111… |
… | …00100010011111110011 |
3 | 1010011100221121110102011 |
4 | 10211311130202133303 |
5 | 20132122233400321 |
6 | 400535020503351 |
7 | 31536313330330 |
oct | 4456534423763 |
9 | 1104327543364 |
10 | 315503028211 |
11 | 111893263908 |
12 | 511913aab57 |
13 | 239a0950197 |
14 | 113b00a9987 |
15 | 8318738ae1 |
hex | 49757227f3 |
315503028211 has 4 divisors (see below), whose sum is σ = 360574889392. Its totient is φ = 270431167032.
The previous prime is 315503028163. The next prime is 315503028221. The reversal of 315503028211 is 112820305513.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112820305513 = 787 ⋅143354899.
It is a cyclic number.
It is not a de Polignac number, because 315503028211 - 27 = 315503028083 is a prime.
It is a super-2 number, since 2×3155030282112 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315503028221) 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, 22535930580 + ... + 22535930593.
It is an arithmetic number, because the mean of its divisors is an integer number (90143722348).
Almost surely, 2315503028211 is an apocalyptic number.
315503028211 is a deficient number, since it is larger than the sum of its proper divisors (45071861181).
315503028211 is an equidigital number, since it uses as much as digits as its factorization.
315503028211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45071861180.
The product of its (nonzero) digits is 7200, while the sum is 31.
The spelling of 315503028211 in words is "three hundred fifteen billion, five hundred three million, twenty-eight thousand, two hundred eleven".
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