Base | Representation |
---|---|
bin | 101000101100101101… |
… | …0110011101110001101 |
3 | 22100121000122221111122 |
4 | 1101121122303232031 |
5 | 2412443240430431 |
6 | 104052323330325 |
7 | 6212561611154 |
oct | 1213132635615 |
9 | 270530587448 |
10 | 87399545741 |
11 | 3407a846342 |
12 | 14b31b209a5 |
13 | 831b150651 |
14 | 43317bc59b |
15 | 2417e0ba7b |
hex | 14596b3b8d |
87399545741 has 8 divisors (see below), whose sum is σ = 89270995584. Its totient is φ = 85528591200.
The previous prime is 87399545719. The next prime is 87399545759. The reversal of 87399545741 is 14754599378.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87399545741 - 234 = 70219676557 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87399545771) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244466 + ... + 484316.
It is an arithmetic number, because the mean of its divisors is an integer number (11158874448).
Almost surely, 287399545741 is an apocalyptic number.
It is an amenable number.
87399545741 is a deficient number, since it is larger than the sum of its proper divisors (1871449843).
87399545741 is a wasteful number, since it uses less digits than its factorization.
87399545741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247651.
The product of its digits is 38102400, while the sum is 62.
The spelling of 87399545741 in words is "eighty-seven billion, three hundred ninety-nine million, five hundred forty-five thousand, seven hundred forty-one".
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