Base | Representation |
---|---|
bin | 111111100001001… |
… | …0001110000000110 |
3 | 12111112102102200002 |
4 | 1333002101300012 |
5 | 13331103202210 |
6 | 551253121302 |
7 | 103546531424 |
oct | 17702216006 |
9 | 5445372602 |
10 | 2131303430 |
11 | 9a40798a3 |
12 | 4b5929232 |
13 | 27c72b1b9 |
14 | 1630b8114 |
15 | c719c4a5 |
hex | 7f091c06 |
2131303430 has 16 divisors (see below), whose sum is σ = 4062013920. Its totient is φ = 802372992.
The previous prime is 2131303423. The next prime is 2131303477. The reversal of 2131303430 is 343031312.
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, 6268370 + ... + 6268709.
It is an arithmetic number, because the mean of its divisors is an integer number (253875870).
Almost surely, 22131303430 is an apocalyptic number.
2131303430 is a deficient number, since it is larger than the sum of its proper divisors (1930710490).
2131303430 is a wasteful number, since it uses less digits than its factorization.
2131303430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12537103.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 2131303430 is about 46166.0419572655. The cubic root of 2131303430 is about 1286.9107477952.
Adding to 2131303430 its reverse (343031312), we get a palindrome (2474334742).
The spelling of 2131303430 in words is "two billion, one hundred thirty-one million, three hundred three thousand, four hundred thirty".
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