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2121848481212 = 225312778808813
BaseRepresentation
bin11110111000001000000…
…001100110010110111100
321111211212021021000222122
4132320020001212112330
5234231021202344322
64302432544502112
7306204245335355
oct36701001462674
97454767230878
102121848481212
11748964173229
122a328a91a938
131251216b47b5
14749ab4ccd2c
153a2da3b6442
hex1ee080665bc

2121848481212 has 24 divisors (see below), whose sum is σ = 3813085656576. Its totient is φ = 1032710672448.

The previous prime is 2121848481167. The next prime is 2121848481217.

2121848481212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21218484812122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121848481217) 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 7 ways as a sum of consecutive naturals, for example, 39377483 + ... + 39431330.

It is an arithmetic number, because the mean of its divisors is an integer number (158878569024).

Almost surely, 22121848481212 is an apocalyptic number.

It is an amenable number.

2121848481212 is a deficient number, since it is larger than the sum of its proper divisors (1691237175364).

2121848481212 is a wasteful number, since it uses less digits than its factorization.

2121848481212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78808997 (or 78808995 counting only the distinct ones).

The product of its digits is 131072, while the sum is 44.

The spelling of 2121848481212 in words is "two trillion, one hundred twenty-one billion, eight hundred forty-eight million, four hundred eighty-one thousand, two hundred twelve".

Divisors: 1 2 4 53 106 127 212 254 508 6731 13462 26924 78808813 157617626 315235252 4176867089 8353734178 10008719251 16707468356 20017438502 40034877004 530462120303 1060924240606 2121848481212