Base | Representation |
---|---|
bin | 11110101000101101110… |
… | …101011111011111101111 |
3 | 21110021011011222002202221 |
4 | 132220231311133133233 |
5 | 233443130030104044 |
6 | 4251055101100211 |
7 | 305050241000344 |
oct | 36505565373757 |
9 | 7407134862687 |
10 | 2105302972399 |
11 | 741943708600 |
12 | 2a0031857667 |
13 | 1236b59013b3 |
14 | 73c7bd1a7cb |
15 | 39b6ca68484 |
hex | 1ea2dd5f7ef |
2105302972399 has 12 divisors (see below), whose sum is σ = 2341974003768. Its totient is φ = 1890852605840.
The previous prime is 2105302972369. The next prime is 2105302972403. The reversal of 2105302972399 is 9932792035012.
It is not a de Polignac number, because 2105302972399 - 215 = 2105302939631 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 (2105302972309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104804404 + ... + 104824489.
It is an arithmetic number, because the mean of its divisors is an integer number (195164500314).
Almost surely, 22105302972399 is an apocalyptic number.
2105302972399 is a deficient number, since it is larger than the sum of its proper divisors (236671031369).
2105302972399 is a wasteful number, since it uses less digits than its factorization.
2105302972399 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209628998 (or 209628987 counting only the distinct ones).
The product of its (nonzero) digits is 1837080, while the sum is 52.
The spelling of 2105302972399 in words is "two trillion, one hundred five billion, three hundred two million, nine hundred seventy-two thousand, three hundred ninety-nine".
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