Base | Representation |
---|---|
bin | 101000111100101010… |
… | …0111110010111101110 |
3 | 22101222100000010012201 |
4 | 1101321110332113232 |
5 | 2420042312344111 |
6 | 104221405452114 |
7 | 6232052132062 |
oct | 1217124762756 |
9 | 271870003181 |
10 | 87934887406 |
11 | 34324a51473 |
12 | 1506127103a |
13 | 83a502ab72 |
14 | 4382933aa2 |
15 | 2449e066c1 |
hex | 147953e5ee |
87934887406 has 8 divisors (see below), whose sum is σ = 132331981320. Its totient is φ = 43824226968.
The previous prime is 87934887389. The next prime is 87934887409. The reversal of 87934887406 is 60478843978.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87934887409) 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, 71607601 + ... + 71608828.
It is an arithmetic number, because the mean of its divisors is an integer number (16541497665).
Almost surely, 287934887406 is an apocalyptic number.
87934887406 is a deficient number, since it is larger than the sum of its proper divisors (44397093914).
87934887406 is a wasteful number, since it uses less digits than its factorization.
87934887406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143216738.
The product of its (nonzero) digits is 65028096, while the sum is 64.
The spelling of 87934887406 in words is "eighty-seven billion, nine hundred thirty-four million, eight hundred eighty-seven thousand, four hundred six".
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