Base | Representation |
---|---|
bin | 101000100100001111… |
… | …0001101110100000101 |
3 | 22022212012200000122200 |
4 | 1101020132031310011 |
5 | 2411402444220443 |
6 | 104004205345113 |
7 | 6202540130550 |
oct | 1211036156405 |
9 | 268765600580 |
10 | 87115226373 |
11 | 33a44301a5a |
12 | 14a72868199 |
13 | 82a4282c36 |
14 | 4305b2b697 |
15 | 23ece98dd3 |
hex | 144878dd05 |
87115226373 has 24 divisors (see below), whose sum is σ = 143821449408. Its totient is φ = 49775910912.
The previous prime is 87115226357. The next prime is 87115226389. The reversal of 87115226373 is 37362251178.
87115226373 is a `hidden beast` number, since 8 + 7 + 1 + 1 + 5 + 2 + 2 + 637 + 3 = 666.
It is an interprime number because it is at equal distance from previous prime (87115226357) and next prime (87115226389).
It is not a de Polignac number, because 87115226373 - 24 = 87115226357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87115226873) 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, 786786 + ... + 890652.
It is an arithmetic number, because the mean of its divisors is an integer number (5992560392).
Almost surely, 287115226373 is an apocalyptic number.
It is an amenable number.
87115226373 is a deficient number, since it is larger than the sum of its proper divisors (56706223035).
87115226373 is a wasteful number, since it uses less digits than its factorization.
87115226373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117193 (or 117190 counting only the distinct ones).
The product of its digits is 423360, while the sum is 45.
The spelling of 87115226373 in words is "eighty-seven billion, one hundred fifteen million, two hundred twenty-six thousand, three hundred seventy-three".
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