Base | Representation |
---|---|
bin | 111110100110101001… |
… | …010110101111011100 |
3 | 20102111200222112002011 |
4 | 332212221112233130 |
5 | 2100131403241343 |
6 | 50514113441004 |
7 | 4566532463200 |
oct | 764651265734 |
9 | 212450875064 |
10 | 67220368348 |
11 | 26565166731 |
12 | 1103bb70164 |
13 | 64535cc3b3 |
14 | 33797b4b00 |
15 | 1b3659b29d |
hex | fa6a56bdc |
67220368348 has 36 divisors (see below), whose sum is σ = 138490189992. Its totient is φ = 28461629280.
The previous prime is 67220368333. The next prime is 67220368357. The reversal of 67220368348 is 84386302276.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2049763 + ... + 2082298.
It is an arithmetic number, because the mean of its divisors is an integer number (3846949722).
Almost surely, 267220368348 is an apocalyptic number.
It is an amenable number.
67220368348 is an abundant number, since it is smaller than the sum of its proper divisors (71269821644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67220368348 is a wasteful number, since it uses less digits than its factorization.
67220368348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4132162 (or 4132153 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 49.
The spelling of 67220368348 in words is "sixty-seven billion, two hundred twenty million, three hundred sixty-eight thousand, three hundred forty-eight".
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