Base | Representation |
---|---|
bin | 101000101111010010… |
… | …0111001100100110001 |
3 | 22100211001111012101201 |
4 | 1101132210321210301 |
5 | 2413132413432413 |
6 | 104105054131201 |
7 | 6214662246442 |
oct | 1213644714461 |
9 | 270731435351 |
10 | 87486077233 |
11 | 34114678775 |
12 | 14b56ab0b01 |
13 | 8333059909 |
14 | 433d0a52c9 |
15 | 24208009dd |
hex | 145e939931 |
87486077233 has 4 divisors (see below), whose sum is σ = 87969425908. Its totient is φ = 87002728560.
The previous prime is 87486077219. The next prime is 87486077243. The reversal of 87486077233 is 33277068478.
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 19285710129 + 68200367104 = 138873^2 + 261152^2 .
It is a cyclic number.
It is not a de Polignac number, because 87486077233 - 29 = 87486076721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87486077243) 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, 241674066 + ... + 241674427.
It is an arithmetic number, because the mean of its divisors is an integer number (21992356477).
Almost surely, 287486077233 is an apocalyptic number.
It is an amenable number.
87486077233 is a deficient number, since it is larger than the sum of its proper divisors (483348675).
87486077233 is a wasteful number, since it uses less digits than its factorization.
87486077233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483348674.
The product of its (nonzero) digits is 9483264, while the sum is 55.
The spelling of 87486077233 in words is "eighty-seven billion, four hundred eighty-six million, seventy-seven thousand, two hundred thirty-three".
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