Base | Representation |
---|---|
bin | 101000101111010100… |
… | …0011010111101111010 |
3 | 22100211010020002210122 |
4 | 1101132220122331322 |
5 | 2413133133003232 |
6 | 104105130013242 |
7 | 6215003143142 |
oct | 1213650327572 |
9 | 270733202718 |
10 | 87487000442 |
11 | 34115149356 |
12 | 14b57277222 |
13 | 83332c0baa |
14 | 433d265922 |
15 | 2420934312 |
hex | 145ea1af7a |
87487000442 has 32 divisors (see below), whose sum is σ = 135699481344. Its totient is φ = 42281870400.
The previous prime is 87487000441. The next prime is 87487000457. The reversal of 87487000442 is 24400078478.
It is a junction number, because it is equal to n+sod(n) for n = 87487000393 and 87487000402.
It is not an unprimeable number, because it can be changed into a prime (87487000441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428543 + ... + 3453965.
It is an arithmetic number, because the mean of its divisors is an integer number (4240608792).
Almost surely, 287487000442 is an apocalyptic number.
87487000442 is a deficient number, since it is larger than the sum of its proper divisors (48212480902).
87487000442 is a wasteful number, since it uses less digits than its factorization.
87487000442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25974.
The product of its (nonzero) digits is 401408, while the sum is 44.
The spelling of 87487000442 in words is "eighty-seven billion, four hundred eighty-seven million, four hundred forty-two", and thus it is an aban number.
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