Base | Representation |
---|---|
bin | 101010010101000110011… |
… | …100110001111001001101 |
3 | 101022002022111010221022200 |
4 | 222111012130301321031 |
5 | 340124333422341114 |
6 | 10104152454232113 |
7 | 420105425625036 |
oct | 52250634617115 |
9 | 11262274127280 |
10 | 2908874808909 |
11 | a21712aa49a3 |
12 | 3ab914355639 |
13 | 1813c8879aa4 |
14 | a0b0c7bda8d |
15 | 509ee707409 |
hex | 2a546731e4d |
2908874808909 has 12 divisors (see below), whose sum is σ = 4448867355036. Its totient is φ = 1825176350592.
The previous prime is 2908874808899. The next prime is 2908874808919. The reversal of 2908874808909 is 9098084788092.
2908874808909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2908874808899) and next prime (2908874808919).
It can be written as a sum of positive squares in 2 ways, for example, as 2063675902500 + 845198906409 = 1436550^2 + 919347^2 .
It is not a de Polignac number, because 2908874808909 - 25 = 2908874808877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2908874808919) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9506126674 + ... + 9506126979.
It is an arithmetic number, because the mean of its divisors is an integer number (370738946253).
Almost surely, 22908874808909 is an apocalyptic number.
It is an amenable number.
2908874808909 is a deficient number, since it is larger than the sum of its proper divisors (1539992546127).
2908874808909 is a wasteful number, since it uses less digits than its factorization.
2908874808909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19012253676 (or 19012253673 counting only the distinct ones).
The product of its (nonzero) digits is 167215104, while the sum is 72.
The spelling of 2908874808909 in words is "two trillion, nine hundred eight billion, eight hundred seventy-four million, eight hundred eight thousand, nine hundred nine".
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