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2872282521381 = 371313078049871
BaseRepresentation
bin101001110011000001011…
…000010001111100100101
3101011120212022022010112020
4221303001120101330211
5334024413311141011
610035301450413353
7414341560413030
oct51630130217445
911146768263466
102872282521381
11a0814566a759
123a4801731259
1317ab167c0950
149d03aa2a017
154eaabe9d006
hex29cc1611f25

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".

Divisors: 1 3 7 13 21 39 91 273 1307 3921 9149 16991 27447 50973 118937 356811 8049871 24149613 56349097 104648323 169047291 313944969 732538261 2197614783 10521181397 31563544191 73648269779 136775358161 220944809337 410326074483 957427507127 2872282521381