Base | Representation |
---|---|
bin | 101000100001001001… |
… | …1110001110100100111 |
3 | 22022121000002210100122 |
4 | 1101002103301310213 |
5 | 2411200011430413 |
6 | 103550033232155 |
7 | 6200143216604 |
oct | 1210223616447 |
9 | 268530083318 |
10 | 87011826983 |
11 | 339a09a9514 |
12 | 14a4410265b |
13 | 8288a1c073 |
14 | 42d60d36ab |
15 | 23e3d72108 |
hex | 14424f1d27 |
87011826983 has 4 divisors (see below), whose sum is σ = 90012234840. Its totient is φ = 84011419128.
The previous prime is 87011826961. The next prime is 87011826991. The reversal of 87011826983 is 38962811078.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38962811078 = 2 ⋅19481405539.
It is a cyclic number.
It is not a de Polignac number, because 87011826983 - 210 = 87011825959 is a prime.
It is a super-4 number, since 4×870118269834 (a number of 45 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87011826383) 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 3 ways as a sum of consecutive naturals, for example, 1500203885 + ... + 1500203942.
It is an arithmetic number, because the mean of its divisors is an integer number (22503058710).
Almost surely, 287011826983 is an apocalyptic number.
87011826983 is a deficient number, since it is larger than the sum of its proper divisors (3000407857).
87011826983 is a wasteful number, since it uses less digits than its factorization.
87011826983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3000407856.
The product of its (nonzero) digits is 1161216, while the sum is 53.
The spelling of 87011826983 in words is "eighty-seven billion, eleven million, eight hundred twenty-six thousand, nine hundred eighty-three".
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