Base | Representation |
---|---|
bin | 10000000001111101… |
… | …010111001010111101 |
3 | 1122102120210101111001 |
4 | 100001331113022331 |
5 | 240222424411333 |
6 | 11524000330301 |
7 | 1146355544254 |
oct | 200175271275 |
9 | 48376711431 |
10 | 17212732093 |
11 | 7333158427 |
12 | 3404613991 |
13 | 18140b799b |
14 | b9405779b |
15 | 6ab1e8b7d |
hex | 401f572bd |
17212732093 has 4 divisors (see below), whose sum is σ = 17228510208. Its totient is φ = 17196953980.
The previous prime is 17212732091. The next prime is 17212732127. The reversal of 17212732093 is 39023721271.
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 17212732093 - 21 = 17212732091 is a prime.
It is a super-2 number, since 2×172127320932 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17212732091) 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, 7887421 + ... + 7889602.
It is an arithmetic number, because the mean of its divisors is an integer number (4307127552).
Almost surely, 217212732093 is an apocalyptic number.
It is an amenable number.
17212732093 is a deficient number, since it is larger than the sum of its proper divisors (15778115).
17212732093 is a wasteful number, since it uses less digits than its factorization.
17212732093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15778114.
The product of its (nonzero) digits is 31752, while the sum is 37.
The spelling of 17212732093 in words is "seventeen billion, two hundred twelve million, seven hundred thirty-two thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •