Base | Representation |
---|---|
bin | 10100000000001100101010… |
… | …101110110101110000111011 |
3 | 102112111021122101210022022101 |
4 | 110000030222232311300323 |
5 | 43012333320200432013 |
6 | 511034535254004231 |
7 | 24346643626110520 |
oct | 2400145256656073 |
9 | 375437571708271 |
10 | 87974532045883 |
11 | 2603887593750a |
12 | 9a4a078946677 |
13 | 3a11c692a8032 |
14 | 17a1dc0a77147 |
15 | a28645a938dd |
hex | 50032abb5c3b |
87974532045883 has 24 divisors (see below), whose sum is σ = 101943903415200. Its totient is φ = 74369816907264.
The previous prime is 87974532045857. The next prime is 87974532045937. The reversal of 87974532045883 is 38854023547978.
It is not a de Polignac number, because 87974532045883 - 217 = 87974531914811 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (73).
It is not an unprimeable number, because it can be changed into a prime (87974532045383) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858999583 + ... + 859101991.
It is an arithmetic number, because the mean of its divisors is an integer number (4247662642300).
Almost surely, 287974532045883 is an apocalyptic number.
87974532045883 is a deficient number, since it is larger than the sum of its proper divisors (13969371369317).
87974532045883 is a wasteful number, since it uses less digits than its factorization.
87974532045883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125591 (or 125518 counting only the distinct ones).
The product of its (nonzero) digits is 1625702400, while the sum is 73.
The spelling of 87974532045883 in words is "eighty-seven trillion, nine hundred seventy-four billion, five hundred thirty-two million, forty-five thousand, eight hundred eighty-three".
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