Base | Representation |
---|---|
bin | 111111011111000… |
… | …0111011001101101 |
3 | 12111110101000010211 |
4 | 1332332013121231 |
5 | 13330313244321 |
6 | 551213502421 |
7 | 103534335646 |
oct | 17676073155 |
9 | 5443330124 |
10 | 2130212461 |
11 | 9a34a4173 |
12 | 4b54a1a11 |
13 | 27c438760 |
14 | 162cb26cd |
15 | c70340e1 |
hex | 7ef8766d |
2130212461 has 16 divisors (see below), whose sum is σ = 2372113408. Its totient is φ = 1899676800.
The previous prime is 2130212437. The next prime is 2130212471. The reversal of 2130212461 is 1642120312.
It is a cyclic number.
It is not a de Polignac number, because 2130212461 - 211 = 2130210413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130212401) 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, 250105 + ... + 258481.
It is an arithmetic number, because the mean of its divisors is an integer number (148257088).
Almost surely, 22130212461 is an apocalyptic number.
It is an amenable number.
2130212461 is a deficient number, since it is larger than the sum of its proper divisors (241900947).
2130212461 is a wasteful number, since it uses less digits than its factorization.
2130212461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9052.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 2130212461 is about 46154.2247362037. The cubic root of 2130212461 is about 1286.6911295503.
Adding to 2130212461 its reverse (1642120312), we get a palindrome (3772332773).
The spelling of 2130212461 in words is "two billion, one hundred thirty million, two hundred twelve thousand, four hundred sixty-one".
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