Base | Representation |
---|---|
bin | 111111001101000001… |
… | …001011100110011110 |
3 | 20111011120100221021010 |
4 | 333031001023212132 |
5 | 2102441210222012 |
6 | 51102032120050 |
7 | 4621510513002 |
oct | 771501134636 |
9 | 214146327233 |
10 | 67864148382 |
11 | 268655a7148 |
12 | 1119b696026 |
13 | 6526ab6224 |
14 | 33db0b6702 |
15 | 1b72d65c3c |
hex | fcd04b99e |
67864148382 has 16 divisors (see below), whose sum is σ = 136541043072. Its totient is φ = 22485925080.
The previous prime is 67864148353. The next prime is 67864148383. The reversal of 67864148382 is 28384146876.
It is a super-2 number, since 2×678641483822 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67864148383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33863344 + ... + 33865347.
It is an arithmetic number, because the mean of its divisors is an integer number (8533815192).
Almost surely, 267864148382 is an apocalyptic number.
67864148382 is an abundant number, since it is smaller than the sum of its proper divisors (68676894690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67864148382 is a wasteful number, since it uses less digits than its factorization.
67864148382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67728863.
The product of its digits is 12386304, while the sum is 57.
The spelling of 67864148382 in words is "sixty-seven billion, eight hundred sixty-four million, one hundred forty-eight thousand, three hundred eighty-two".
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