Base | Representation |
---|---|
bin | 1001110101000010001… |
… | …0000110110101111000 |
3 | 121010211210011202200121 |
4 | 2131100202012311320 |
5 | 10231303314431434 |
6 | 205323145143024 |
7 | 15125244324160 |
oct | 2352042066570 |
9 | 533753152617 |
10 | 168854842744 |
11 | 6567a17a615 |
12 | 2888518aa74 |
13 | 12bcc925343 |
14 | 825b9415a0 |
15 | 45d40447b4 |
hex | 2750886d78 |
168854842744 has 32 divisors (see below), whose sum is σ = 370246504320. Its totient is φ = 70683421536.
The previous prime is 168854842661. The next prime is 168854842771. The reversal of 168854842744 is 447248458861.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35058814 + ... + 35063629.
It is an arithmetic number, because the mean of its divisors is an integer number (11570203260).
Almost surely, 2168854842744 is an apocalyptic number.
168854842744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
168854842744 is an abundant number, since it is smaller than the sum of its proper divisors (201391661576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168854842744 is a wasteful number, since it uses less digits than its factorization.
168854842744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70122499 (or 70122495 counting only the distinct ones).
The product of its digits is 55050240, while the sum is 61.
The spelling of 168854842744 in words is "one hundred sixty-eight billion, eight hundred fifty-four million, eight hundred forty-two thousand, seven hundred forty-four".
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