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212120223003 = 321359153120071
BaseRepresentation
bin1100010110001101011…
…0011011110100011011
3202021112000121210210200
43011203112123310123
511433410234114003
6241240252313243
721216352101063
oct3054326336433
9667460553720
10212120223003
1181a61377127
123513a772823
1317006358270
14a3a3a763a3
1557b75416a3
hex316359bd1b

212120223003 has 48 divisors (see below), whose sum is σ = 335793319680. Its totient is φ = 128232849600.

The previous prime is 212120223001. The next prime is 212120223013. The reversal of 212120223003 is 300322021212.

It is not a de Polignac number, because 212120223003 - 21 = 212120223001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212120223001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10558458 + ... + 10578528.

It is an arithmetic number, because the mean of its divisors is an integer number (6995694160).

Almost surely, 2212120223003 is an apocalyptic number.

212120223003 is a deficient number, since it is larger than the sum of its proper divisors (123673096677).

212120223003 is a wasteful number, since it uses less digits than its factorization.

212120223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21680 (or 21677 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212120223003 its reverse (300322021212), we get a palindrome (512442244215).

The spelling of 212120223003 in words is "two hundred twelve billion, one hundred twenty million, two hundred twenty-three thousand, three".

Divisors: 1 3 9 13 39 59 117 177 531 767 1531 2301 4593 6903 13779 19903 20071 59709 60213 90329 179127 180639 260923 270987 782769 812961 1174277 1184189 2348307 3522831 3552567 10568493 10657701 15394457 30728701 46183371 92186103 138550113 276558309 399473113 1198419339 1812993359 3595258017 5438980077 16316940231 23568913667 70706741001 212120223003