Base | Representation |
---|---|
bin | 111110111011100110… |
… | …111010001000000111 |
3 | 20110102012201201101221 |
4 | 332323212322020013 |
5 | 2101341421022031 |
6 | 51013035301211 |
7 | 4611332635351 |
oct | 767346721007 |
9 | 213365651357 |
10 | 67572048391 |
11 | 267257290a1 |
12 | 111198aa807 |
13 | 64ab4231b3 |
14 | 33b039c0d1 |
15 | 1b573b7a11 |
hex | fbb9ba207 |
67572048391 has 2 divisors, whose sum is σ = 67572048392. Its totient is φ = 67572048390.
The previous prime is 67572048367. The next prime is 67572048403. The reversal of 67572048391 is 19384027576.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 67572048391 - 219 = 67571524103 is a prime.
It is a pancake number, because a pancake can be divided into 67572048391 parts by 367619 straight cuts.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (67572048301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33786024195 + 33786024196.
It is an arithmetic number, because the mean of its divisors is an integer number (33786024196).
It is a 2-persistent number, because it is pandigital, and so is 2⋅67572048391 = 135144096782, but 3⋅67572048391 = 202716145173 is not.
Almost surely, 267572048391 is an apocalyptic number.
67572048391 is a deficient number, since it is larger than the sum of its proper divisors (1).
67572048391 is an equidigital number, since it uses as much as digits as its factorization.
67572048391 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2540160, while the sum is 52.
The spelling of 67572048391 in words is "sixty-seven billion, five hundred seventy-two million, forty-eight thousand, three hundred ninety-one".
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