Base | Representation |
---|---|
bin | 11111111111000111… |
… | …00110000101111101 |
3 | 1122022202221110212001 |
4 | 33333203212011331 |
5 | 240132120014122 |
6 | 11520000342301 |
7 | 1145356121200 |
oct | 177743460575 |
9 | 48282843761 |
10 | 17172423037 |
11 | 7312426660 |
12 | 33b3014991 |
13 | 1808943583 |
14 | b8c963937 |
15 | 6a78d5527 |
hex | 3ff8e617d |
17172423037 has 12 divisors (see below), whose sum is σ = 21792092256. Its totient is φ = 13381108440.
The previous prime is 17172423031. The next prime is 17172423077. The reversal of 17172423037 is 73032427171.
It is not a de Polignac number, because 17172423037 - 215 = 17172390269 is a prime.
It is a super-2 number, since 2×171724230372 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 17172422987 and 17172423005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17172423031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15929353 + ... + 15930430.
It is an arithmetic number, because the mean of its divisors is an integer number (1816007688).
Almost surely, 217172423037 is an apocalyptic number.
It is an amenable number.
17172423037 is a deficient number, since it is larger than the sum of its proper divisors (4619669219).
17172423037 is a wasteful number, since it uses less digits than its factorization.
17172423037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31859808 (or 31859801 counting only the distinct ones).
The product of its (nonzero) digits is 49392, while the sum is 37.
The spelling of 17172423037 in words is "seventeen billion, one hundred seventy-two million, four hundred twenty-three thousand, thirty-seven".
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