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1230311312022 = 231347615501647
BaseRepresentation
bin10001111001110100010…
…001001100101010010110
311100121122111210022011110
4101321310101030222112
5130124134143441042
62341110333115450
7154613155414062
oct21716421145226
94317574708143
101230311312022
11434854730491
1217a538928b86
138c03030b6b0
144379404caa2
152200ad0a09c
hex11e7444ca96

1230311312022 has 64 divisors (see below), whose sum is σ = 2750647947264. Its totient is φ = 364429031040.

The previous prime is 1230311311973. The next prime is 1230311312059. The reversal of 1230311312022 is 2202131130321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230311312022.

It is a congruent number.

It is an unprimeable number.

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, 2527198 + ... + 2974449.

It is an arithmetic number, because the mean of its divisors is an integer number (42978874176).

Almost surely, 21230311312022 is an apocalyptic number.

1230311312022 is an abundant number, since it is smaller than the sum of its proper divisors (1520336635242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230311312022 is a wasteful number, since it uses less digits than its factorization.

1230311312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501773.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230311312022 its reverse (2202131130321), we get a palindrome (3432442442343).

The spelling of 1230311312022 in words is "one trillion, two hundred thirty billion, three hundred eleven million, three hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 47 61 78 94 122 141 183 282 366 611 793 1222 1586 1833 2379 2867 3666 4758 5734 8601 17202 37271 74542 111813 223626 5501647 11003294 16504941 33009882 71521411 143042822 214564233 258577409 335600467 429128466 517154818 671200934 775732227 1006801401 1551464454 2013602802 3361506317 4362806071 6723012634 8725612142 10084518951 13088418213 15773221949 20169037902 26176836426 31546443898 47319665847 94639331694 205051885337 410103770674 615155656011 1230311312022