Base | Representation |
---|---|
bin | 101000111100000010… |
… | …0111110000110110001 |
3 | 22101220212112121012120 |
4 | 1101320010332012301 |
5 | 2420021430233201 |
6 | 104215340144453 |
7 | 6231405642336 |
oct | 1217004760661 |
9 | 271825477176 |
10 | 87913914801 |
11 | 34314127439 |
12 | 15056238129 |
13 | 83a0896b3b |
14 | 437dc3498d |
15 | 2448162536 |
hex | 147813e1b1 |
87913914801 has 16 divisors (see below), whose sum is σ = 124139801088. Its totient is φ = 55150099200.
The previous prime is 87913914791. The next prime is 87913914853. The reversal of 87913914801 is 10841931978.
It is a happy number.
It is not a de Polignac number, because 87913914801 - 25 = 87913914769 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (87913914871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67971 + ... + 424791.
It is an arithmetic number, because the mean of its divisors is an integer number (7758737568).
Almost surely, 287913914801 is an apocalyptic number.
It is an amenable number.
87913914801 is a deficient number, since it is larger than the sum of its proper divisors (36225886287).
87913914801 is a wasteful number, since it uses less digits than its factorization.
87913914801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361672.
The product of its (nonzero) digits is 435456, while the sum is 51.
The spelling of 87913914801 in words is "eighty-seven billion, nine hundred thirteen million, nine hundred fourteen thousand, eight hundred one".
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