Base | Representation |
---|---|
bin | 101000111010111100011… |
… | …011000011101111110111 |
3 | 100221211102222111001022002 |
4 | 220322330123003233313 |
5 | 332033104333241211 |
6 | 5551502543325515 |
7 | 410110466044613 |
oct | 50727433035767 |
9 | 10854388431262 |
10 | 2812069821431 |
11 | 994657116012 |
12 | 394bb85b089b |
13 | 17523bc80a00 |
14 | 9a167c0a343 |
15 | 4d235c3303b |
hex | 28ebc6c3bf7 |
2812069821431 has 12 divisors (see below), whose sum is σ = 3046292078400. Its totient is φ = 2594674368000.
The previous prime is 2812069821401. The next prime is 2812069821511. The reversal of 2812069821431 is 1341289602182.
It is not a de Polignac number, because 2812069821431 - 214 = 2812069805047 is a prime.
It is a super-2 number, since 2×28120698214312 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2812069821401) 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, 3062570 + ... + 3873431.
It is an arithmetic number, because the mean of its divisors is an integer number (253857673200).
Almost surely, 22812069821431 is an apocalyptic number.
2812069821431 is a deficient number, since it is larger than the sum of its proper divisors (234222256969).
2812069821431 is a wasteful number, since it uses less digits than its factorization.
2812069821431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6938426 (or 6938413 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 47.
The spelling of 2812069821431 in words is "two trillion, eight hundred twelve billion, sixty-nine million, eight hundred twenty-one thousand, four hundred thirty-one".
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