Base | Representation |
---|---|
bin | 101000101011000101… |
… | …1100001110111101011 |
3 | 22100110020102100020202 |
4 | 1101112023201313223 |
5 | 2412340333140221 |
6 | 104043102542415 |
7 | 6211332011360 |
oct | 1212613416753 |
9 | 270406370222 |
10 | 87345208811 |
11 | 34052103193 |
12 | 14b17897a0b |
13 | 830cb07213 |
14 | 43284b6467 |
15 | 2413276d0b |
hex | 14562e1deb |
87345208811 has 16 divisors (see below), whose sum is σ = 104581171200. Its totient is φ = 71370858240.
The previous prime is 87345208787. The next prime is 87345208813. The reversal of 87345208811 is 11880254378.
It is a cyclic number.
It is not a de Polignac number, because 87345208811 - 222 = 87341014507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87345208813) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2989286 + ... + 3018363.
It is an arithmetic number, because the mean of its divisors is an integer number (6536323200).
Almost surely, 287345208811 is an apocalyptic number.
87345208811 is a deficient number, since it is larger than the sum of its proper divisors (17235962389).
87345208811 is a wasteful number, since it uses less digits than its factorization.
87345208811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6007754.
The product of its (nonzero) digits is 430080, while the sum is 47.
The spelling of 87345208811 in words is "eighty-seven billion, three hundred forty-five million, two hundred eight thousand, eight hundred eleven".
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