Base | Representation |
---|---|
bin | 100011100010101100… |
… | …0000101101011001001 |
3 | 21022000021120221112111 |
4 | 1013011120011223021 |
5 | 2222303410322111 |
6 | 55021424142321 |
7 | 5341266123103 |
oct | 1070530055311 |
9 | 238007527474 |
10 | 76325870281 |
11 | 2a407a67041 |
12 | 129614679a1 |
13 | 7274b9b56b |
14 | 39a0c10573 |
15 | 1ebab67a21 |
hex | 11c5605ac9 |
76325870281 has 4 divisors (see below), whose sum is σ = 76454582292. Its totient is φ = 76197158272.
The previous prime is 76325870263. The next prime is 76325870297. The reversal of 76325870281 is 18207852367.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 38889812025 + 37436058256 = 197205^2 + 193484^2 .
It is a cyclic number.
It is not a de Polignac number, because 76325870281 - 25 = 76325870249 is a prime.
It is a super-3 number, since 3×763258702813 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76325870251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64355116 + ... + 64356301.
It is an arithmetic number, because the mean of its divisors is an integer number (19113645573).
Almost surely, 276325870281 is an apocalyptic number.
It is an amenable number.
76325870281 is a deficient number, since it is larger than the sum of its proper divisors (128712011).
76325870281 is a wasteful number, since it uses less digits than its factorization.
76325870281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128712010.
The product of its (nonzero) digits is 1128960, while the sum is 49.
The spelling of 76325870281 in words is "seventy-six billion, three hundred twenty-five million, eight hundred seventy thousand, two hundred eighty-one".
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