Base | Representation |
---|---|
bin | 111110101111110110… |
… | …110010000000000000 |
3 | 20102220110201200002020 |
4 | 332233312302000000 |
5 | 2100440432222231 |
6 | 50541313321440 |
7 | 4603420024533 |
oct | 765766620000 |
9 | 212813650066 |
10 | 67374882816 |
11 | 2663440173a |
12 | 11083866280 |
13 | 647961c087 |
14 | 3392116a1a |
15 | 1b44e1d396 |
hex | fafdb2000 |
67374882816 has 112 divisors (see below), whose sum is σ = 189112245600. Its totient is φ = 21276131328.
The previous prime is 67374882811. The next prime is 67374882821. The reversal of 67374882816 is 61828847376.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (67374882811) and next prime (67374882821).
It is a self number, because there is not a number n which added to its sum of digits gives 67374882816.
It is not an unprimeable number, because it can be changed into a prime (67374882811) by changing a digit.
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, 394800 + ... + 539088.
Almost surely, 267374882816 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67374882816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94556122800).
67374882816 is an abundant number, since it is smaller than the sum of its proper divisors (121737362784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67374882816 is a wasteful number, since it uses less digits than its factorization.
67374882816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144337 (or 144313 counting only the distinct ones).
The product of its digits is 21676032, while the sum is 60.
The spelling of 67374882816 in words is "sixty-seven billion, three hundred seventy-four million, eight hundred eighty-two thousand, eight hundred sixteen".
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