Base | Representation |
---|---|
bin | 101000101000100001… |
… | …0001011101111011001 |
3 | 22100020012222000111110 |
4 | 1101101002023233121 |
5 | 2412201232412133 |
6 | 104030340250533 |
7 | 6206233116021 |
oct | 1212102135731 |
9 | 270205860443 |
10 | 87258872793 |
11 | 340083a4704 |
12 | 14ab29a0a49 |
13 | 82c7c68c11 |
14 | 431ac40a81 |
15 | 240a8c0c63 |
hex | 145108bbd9 |
87258872793 has 8 divisors (see below), whose sum is σ = 116669246400. Its totient is φ = 58010540528.
The previous prime is 87258872791. The next prime is 87258872801. The reversal of 87258872793 is 39727885278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87258872793 - 21 = 87258872791 is a prime.
It is a super-2 number, since 2×872588727932 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87258872791) 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, 40509078 + ... + 40511231.
It is an arithmetic number, because the mean of its divisors is an integer number (14583655800).
Almost surely, 287258872793 is an apocalyptic number.
It is an amenable number.
87258872793 is a deficient number, since it is larger than the sum of its proper divisors (29410373607).
87258872793 is a wasteful number, since it uses less digits than its factorization.
87258872793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81020671.
The product of its digits is 94832640, while the sum is 66.
The spelling of 87258872793 in words is "eighty-seven billion, two hundred fifty-eight million, eight hundred seventy-two thousand, seven hundred ninety-three".
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