Base | Representation |
---|---|
bin | 101000111011101101… |
… | …1010101011010110100 |
3 | 22101220010000002020201 |
4 | 1101313123111122310 |
5 | 2420011132001434 |
6 | 104214310210244 |
7 | 6231214113433 |
oct | 1216733253264 |
9 | 271803002221 |
10 | 87903000244 |
11 | 34308a52144 |
12 | 15052653984 |
13 | 839b544c17 |
14 | 437c5d311a |
15 | 2447208614 |
hex | 14776d56b4 |
87903000244 has 12 divisors (see below), whose sum is σ = 154719443844. Its totient is φ = 43697444864.
The previous prime is 87903000221. The next prime is 87903000307. The reversal of 87903000244 is 44200030978.
87903000244 = T242077 + T242078 + T242079.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 83427390244 + 4475610000 = 288838^2 + 66900^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63513037 + ... + 63514420.
It is an arithmetic number, because the mean of its divisors is an integer number (12893286987).
Almost surely, 287903000244 is an apocalyptic number.
87903000244 is the 242079-th centered triangular number.
It is an amenable number.
87903000244 is a deficient number, since it is larger than the sum of its proper divisors (66816443600).
87903000244 is a wasteful number, since it uses less digits than its factorization.
87903000244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127027634 (or 127027632 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 37.
The spelling of 87903000244 in words is "eighty-seven billion, nine hundred three million, two hundred forty-four", and thus it is an aban number.
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