Base | Representation |
---|---|
bin | 1010000010001000010… |
… | …0100101101000010110 |
3 | 121110220210011111202000 |
4 | 2200202010211220112 |
5 | 10311003300214034 |
6 | 211104050100130 |
7 | 15311332354533 |
oct | 2404204455026 |
9 | 543823144660 |
10 | 172370319894 |
11 | 67113608633 |
12 | 294a657a646 |
13 | 13340050536 |
14 | 84b27abd8a |
15 | 473c9ac599 |
hex | 2822125a16 |
172370319894 has 64 divisors (see below), whose sum is σ = 406411084800. Its totient is φ = 53965782144.
The previous prime is 172370319839. The next prime is 172370319917. The reversal of 172370319894 is 498913073271.
172370319894 is a `hidden beast` number, since 1 + 7 + 237 + 0 + 319 + 8 + 94 = 666.
It is a super-3 number, since 3×1723703198943 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 172370319894.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254287 + ... + 639845.
It is an arithmetic number, because the mean of its divisors is an integer number (6350173200).
Almost surely, 2172370319894 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 172370319894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203205542400).
172370319894 is an abundant number, since it is smaller than the sum of its proper divisors (234040764906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172370319894 is a wasteful number, since it uses less digits than its factorization.
172370319894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386074 (or 386068 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 54.
The spelling of 172370319894 in words is "one hundred seventy-two billion, three hundred seventy million, three hundred nineteen thousand, eight hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •