Base | Representation |
---|---|
bin | 1000010000001001… |
… | …0100111011111001 |
3 | 12201101021221122000 |
4 | 2010002110323321 |
5 | 14014042440203 |
6 | 1003451251213 |
7 | 105615624324 |
oct | 20402247371 |
9 | 5641257560 |
10 | 2215202553 |
11 | a37473513 |
12 | 519a49b09 |
13 | 293c25255 |
14 | 1702b77bb |
15 | ce7214a3 |
hex | 84094ef9 |
2215202553 has 8 divisors (see below), whose sum is σ = 3281781600. Its totient is φ = 1476801684.
The previous prime is 2215202503. The next prime is 2215202567. The reversal of 2215202553 is 3552025122.
It is not a de Polignac number, because 2215202553 - 210 = 2215201529 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 82044539 = 2215202553 / (2 + 2 + 1 + 5 + 2 + 0 + 2 + 5 + 5 + 3).
It is not an unprimeable number, because it can be changed into a prime (2215202503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41022243 + ... + 41022296.
It is an arithmetic number, because the mean of its divisors is an integer number (410222700).
Almost surely, 22215202553 is an apocalyptic number.
It is an amenable number.
2215202553 is a deficient number, since it is larger than the sum of its proper divisors (1066579047).
2215202553 is an equidigital number, since it uses as much as digits as its factorization.
2215202553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82044548 (or 82044542 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2215202553 is about 47065.9383524859. The cubic root of 2215202553 is about 1303.5803772403.
Adding to 2215202553 its reverse (3552025122), we get a palindrome (5767227675).
The spelling of 2215202553 in words is "two billion, two hundred fifteen million, two hundred two thousand, five hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.119 sec. • engine limits •