Base | Representation |
---|---|
bin | 101000111001100000… |
… | …1101001101000011001 |
3 | 22101200222001112022112 |
4 | 1101303001221220121 |
5 | 2414333231032200 |
6 | 104203111402105 |
7 | 6226326346241 |
oct | 1216301515031 |
9 | 271628045275 |
10 | 87829158425 |
11 | 342802a7748 |
12 | 15031983335 |
13 | 838915c838 |
14 | 4372890b21 |
15 | 24409be535 |
hex | 1473069a19 |
87829158425 has 12 divisors (see below), whose sum is σ = 108970550736. Its totient is φ = 70223072400.
The previous prime is 87829158413. The next prime is 87829158433. The reversal of 87829158425 is 52485192878.
It is a happy number.
It is not a de Polignac number, because 87829158425 - 222 = 87824964121 is a prime.
It is a super-2 number, since 2×878291584252 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961811 + ... + 1049160.
It is an arithmetic number, because the mean of its divisors is an integer number (9080879228).
Almost surely, 287829158425 is an apocalyptic number.
It is an amenable number.
87829158425 is a deficient number, since it is larger than the sum of its proper divisors (21141392311).
87829158425 is a wasteful number, since it uses less digits than its factorization.
87829158425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2012728 (or 2012723 counting only the distinct ones).
The product of its digits is 12902400, while the sum is 59.
The spelling of 87829158425 in words is "eighty-seven billion, eight hundred twenty-nine million, one hundred fifty-eight thousand, four hundred twenty-five".
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