Base | Representation |
---|---|
bin | 1100000100110… |
… | …00000011000101 |
3 | 21001120212101111 |
4 | 12002120003011 |
5 | 201412123320 |
6 | 14014525021 |
7 | 2336626465 |
oct | 602300305 |
9 | 231525344 |
10 | 101286085 |
11 | 5219a80a |
12 | 29b06771 |
13 | 17ca3cc4 |
14 | d647ba5 |
15 | 8d5aa5a |
hex | 60980c5 |
101286085 has 8 divisors (see below), whose sum is σ = 128693016. Its totient is φ = 76262400.
The previous prime is 101286077. The next prime is 101286109. The reversal of 101286085 is 580682101.
It can be written as a sum of positive squares in 4 ways, for example, as 18948609 + 82337476 = 4353^2 + 9074^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101286085 - 23 = 101286077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595716 + ... + 595885.
It is an arithmetic number, because the mean of its divisors is an integer number (16086627).
Almost surely, 2101286085 is an apocalyptic number.
It is an amenable number.
101286085 is a deficient number, since it is larger than the sum of its proper divisors (27406931).
101286085 is a wasteful number, since it uses less digits than its factorization.
101286085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1191623.
The product of its (nonzero) digits is 3840, while the sum is 31.
The square root of 101286085 is about 10064.0988170824. The cubic root of 101286085 is about 466.1402394325.
The spelling of 101286085 in words is "one hundred one million, two hundred eighty-six thousand, eighty-five".
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