Base | Representation |
---|---|
bin | 101000101110001110… |
… | …1111001100111111010 |
3 | 22100201120220020111011 |
4 | 1101130131321213322 |
5 | 2413044334003434 |
6 | 104101351424134 |
7 | 6214052404015 |
oct | 1213435714772 |
9 | 270646806434 |
10 | 87450687994 |
11 | 340a66a726a |
12 | 14b4708504a |
13 | 8328918937 |
14 | 43384d237c |
15 | 241c65ee64 |
hex | 145c7799fa |
87450687994 has 16 divisors (see below), whose sum is σ = 131492217600. Its totient is φ = 43620008544.
The previous prime is 87450687977. The next prime is 87450688049. The reversal of 87450687994 is 49978605478.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3367849 + ... + 3393715.
It is an arithmetic number, because the mean of its divisors is an integer number (8218263600).
Almost surely, 287450687994 is an apocalyptic number.
87450687994 is a deficient number, since it is larger than the sum of its proper divisors (44041529606).
87450687994 is a wasteful number, since it uses less digits than its factorization.
87450687994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29877.
The product of its (nonzero) digits is 121927680, while the sum is 67.
The spelling of 87450687994 in words is "eighty-seven billion, four hundred fifty million, six hundred eighty-seven thousand, nine hundred ninety-four".
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