Base | Representation |
---|---|
bin | 111111100001001… |
… | …0011011011011110 |
3 | 12111112102210002121 |
4 | 1333002103123132 |
5 | 13331103412202 |
6 | 551253213154 |
7 | 103546560442 |
oct | 17702233336 |
9 | 5445383077 |
10 | 2131310302 |
11 | 9a4083a80 |
12 | 4b59311ba |
13 | 27c731374 |
14 | 1630ba822 |
15 | c719e537 |
hex | 7f0936de |
2131310302 has 16 divisors (see below), whose sum is σ = 3492003312. Its totient is φ = 967553920.
The previous prime is 2131310261. The next prime is 2131310329. The reversal of 2131310302 is 2030131312.
It is a super-2 number, since 2×21313103022 = 9084967206822662408, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43243 + ... + 78310.
It is an arithmetic number, because the mean of its divisors is an integer number (218250207).
Almost surely, 22131310302 is an apocalyptic number.
2131310302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2131310302 is a deficient number, since it is larger than the sum of its proper divisors (1360693010).
2131310302 is a wasteful number, since it uses less digits than its factorization.
2131310302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122363.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2131310302 is about 46166.1163842054. The cubic root of 2131310302 is about 1286.9121309302.
Adding to 2131310302 its reverse (2030131312), we get a palindrome (4161441614).
The spelling of 2131310302 in words is "two billion, one hundred thirty-one million, three hundred ten thousand, three hundred two".
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