Base | Representation |
---|---|
bin | 1101010010000110… |
… | …00010111000100101 |
3 | 200101222110011211001 |
4 | 12221003002320211 |
5 | 104101031140140 |
6 | 3135340313301 |
7 | 341500322605 |
oct | 65103027045 |
9 | 20358404731 |
10 | 7131115045 |
11 | 302a36830a |
12 | 1470242831 |
13 | 898522102 |
14 | 4b912ac05 |
15 | 2bb0b7e9a |
hex | 1a90c2e25 |
7131115045 has 8 divisors (see below), whose sum is σ = 8637313824. Its totient is φ = 5651574864.
The previous prime is 7131115037. The next prime is 7131115133. The reversal of 7131115045 is 5405111317.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7131115045 - 23 = 7131115037 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, 6664059 + ... + 6665128.
It is an arithmetic number, because the mean of its divisors is an integer number (1079664228).
Almost surely, 27131115045 is an apocalyptic number.
It is an amenable number.
7131115045 is a deficient number, since it is larger than the sum of its proper divisors (1506198779).
7131115045 is a wasteful number, since it uses less digits than its factorization.
7131115045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13329299.
The product of its (nonzero) digits is 2100, while the sum is 28.
The square root of 7131115045 is about 84445.9297124497. The cubic root of 7131115045 is about 1924.8009054788.
The spelling of 7131115045 in words is "seven billion, one hundred thirty-one million, one hundred fifteen thousand, forty-five".
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