Base | Representation |
---|---|
bin | 1001110101010000011… |
… | …1011001100010000000 |
3 | 121010222222021112201100 |
4 | 2131110013121202000 |
5 | 10231414211402042 |
6 | 205333133334400 |
7 | 15126604246605 |
oct | 2352407314200 |
9 | 533888245640 |
10 | 168914950272 |
11 | 657000a4262 |
12 | 288a1337400 |
13 | 12c0c20c223 |
14 | 826590a6ac |
15 | 45d946924c |
hex | 27541d9880 |
168914950272 has 96 divisors (see below), whose sum is σ = 486590034060. Its totient is φ = 56244787200.
The previous prime is 168914950223. The next prime is 168914950273. The reversal of 168914950272 is 272059419861.
It is a happy number.
168914950272 is a `hidden beast` number, since 1 + 6 + 8 + 91 + 49 + 502 + 7 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 154335836736 + 14579113536 = 392856^2 + 120744^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (168914950273) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1006122 + ... + 1161942.
Almost surely, 2168914950272 is an apocalyptic number.
168914950272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168914950272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243295017030).
168914950272 is an abundant number, since it is smaller than the sum of its proper divisors (317675083788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168914950272 is a wasteful number, since it uses less digits than its factorization.
168914950272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156782 (or 156767 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 54.
The spelling of 168914950272 in words is "one hundred sixty-eight billion, nine hundred fourteen million, nine hundred fifty thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •