Base | Representation |
---|---|
bin | 101000111100111111… |
… | …1100010110011100001 |
3 | 22102000010000001212111 |
4 | 1101321333202303201 |
5 | 2420103141443224 |
6 | 104222444555321 |
7 | 6232246030324 |
oct | 1217177426341 |
9 | 272003001774 |
10 | 87946046689 |
11 | 34330283616 |
12 | 15064b52b41 |
13 | 83a74372a7 |
14 | 43841da7bb |
15 | 244adacd94 |
hex | 1479fe2ce1 |
87946046689 has 8 divisors (see below), whose sum is σ = 90151236000. Its totient is φ = 85743722400.
The previous prime is 87946046627. The next prime is 87946046707. The reversal of 87946046689 is 98664064978.
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 87946046689 - 27 = 87946046561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87946046389) 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, 654027 + ... + 776944.
It is an arithmetic number, because the mean of its divisors is an integer number (11268904500).
Almost surely, 287946046689 is an apocalyptic number.
It is an amenable number.
87946046689 is a deficient number, since it is larger than the sum of its proper divisors (2205189311).
87946046689 is a wasteful number, since it uses less digits than its factorization.
87946046689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1432511.
The product of its (nonzero) digits is 125411328, while the sum is 67.
The spelling of 87946046689 in words is "eighty-seven billion, nine hundred forty-six million, forty-six thousand, six hundred eighty-nine".
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