Base | Representation |
---|---|
bin | 101001010010010000… |
… | …0001000000101001001 |
3 | 22110211210222120220001 |
4 | 1102210200020011021 |
5 | 2423033230343144 |
6 | 104421323003001 |
7 | 6256026013114 |
oct | 1224440100511 |
9 | 273753876801 |
10 | 88659231049 |
11 | 34666908584 |
12 | 15223969461 |
13 | 848c11177c |
14 | 4410c0757b |
15 | 248d7d6bd4 |
hex | 14a4808149 |
88659231049 has 3 divisors (see below), whose sum is σ = 88659528807. Its totient is φ = 88658933292.
The previous prime is 88659231041. The next prime is 88659231077. The reversal of 88659231049 is 94013295688.
The square root of 88659231049 is 297757.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 4250388025 + 84408843024 = 65195^2 + 290532^2 .
It is not a de Polignac number, because 88659231049 - 23 = 88659231041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (88659231041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 148879 + ... + 446635.
It is an arithmetic number, because the mean of its divisors is an integer number (29553176269).
Almost surely, 288659231049 is an apocalyptic number.
88659231049 is the 297757-th square number.
88659231049 is the 148879-th centered octagonal number.
It is an amenable number.
88659231049 is a deficient number, since it is larger than the sum of its proper divisors (297758).
88659231049 is an frugal number, since it uses more digits than its factorization.
88659231049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595514 (or 297757 counting only the distinct ones).
The product of its (nonzero) digits is 3732480, while the sum is 55.
The spelling of 88659231049 in words is "eighty-eight billion, six hundred fifty-nine million, two hundred thirty-one thousand, forty-nine".
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