Base | Representation |
---|---|
bin | 101000101111011000… |
… | …0000000100011000110 |
3 | 22100211020222011010002 |
4 | 1101132300000203012 |
5 | 2413134140130012 |
6 | 104105240401302 |
7 | 6215026065614 |
oct | 1213660004306 |
9 | 270736864102 |
10 | 87488989382 |
11 | 34116287703 |
12 | 14b57a76232 |
13 | 8333839292 |
14 | 433d6226b4 |
15 | 2420bc87c2 |
hex | 145ec008c6 |
87488989382 has 4 divisors (see below), whose sum is σ = 131233484076. Its totient is φ = 43744494690.
The previous prime is 87488989333. The next prime is 87488989409. The reversal of 87488989382 is 28398988478.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21872247344 + ... + 21872247347.
It is an arithmetic number, because the mean of its divisors is an integer number (32808371019).
Almost surely, 287488989382 is an apocalyptic number.
87488989382 is a deficient number, since it is larger than the sum of its proper divisors (43744494694).
87488989382 is a wasteful number, since it uses less digits than its factorization.
87488989382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43744494693.
The product of its digits is 445906944, while the sum is 74.
The spelling of 87488989382 in words is "eighty-seven billion, four hundred eighty-eight million, nine hundred eighty-nine thousand, three hundred eighty-two".
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