Base | Representation |
---|---|
bin | 101001110011000001011… |
… | …000010001111100100101 |
3 | 101011120212022022010112020 |
4 | 221303001120101330211 |
5 | 334024413311141011 |
6 | 10035301450413353 |
7 | 414341560413030 |
oct | 51630130217445 |
9 | 11146768263466 |
10 | 2872282521381 |
11 | a0814566a759 |
12 | 3a4801731259 |
13 | 17ab167c0950 |
14 | 9d03aa2a017 |
15 | 4eaabe9d006 |
hex | 29cc1611f25 |
2872282521381 has 32 divisors (see below), whose sum is σ = 4717096194048. Its totient is φ = 1513890751680.
The previous prime is 2872282521359. The next prime is 2872282521397. The reversal of 2872282521381 is 1831252822782.
2872282521381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2872282521381 - 25 = 2872282521349 is a prime.
It is a super-2 number, since 2×28722825213812 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872282021381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3668125 + ... + 4381746.
It is an arithmetic number, because the mean of its divisors is an integer number (147409256064).
Almost surely, 22872282521381 is an apocalyptic number.
2872282521381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2872282521381 is a deficient number, since it is larger than the sum of its proper divisors (1844813672667).
2872282521381 is a wasteful number, since it uses less digits than its factorization.
2872282521381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8051201.
The product of its digits is 1720320, while the sum is 51.
The spelling of 2872282521381 in words is "two trillion, eight hundred seventy-two billion, two hundred eighty-two million, five hundred twenty-one thousand, three hundred eighty-one".
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