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212020302003 = 31491117742437
BaseRepresentation
bin1100010101110101100…
…1010001000010110011
3202021021001121021221220
43011131121101002303
511433204144131003
6241222322520123
721214026555156
oct3053531210263
9667231537856
10212020302003
1181a0aa29a94
1235111206043
1316cbb741703
14a3946a5c9d
1557ad8a5353
hex315d6510b3

212020302003 has 16 divisors (see below), whose sum is σ = 284623178400. Its totient is φ = 140382361856.

The previous prime is 212020302001. The next prime is 212020302031. The reversal of 212020302003 is 300203020212.

It is a cyclic number.

It is not a de Polignac number, because 212020302003 - 21 = 212020302001 is a prime.

It is a super-2 number, since 2×2120203020032 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212020302001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4974901 + ... + 5017337.

It is an arithmetic number, because the mean of its divisors is an integer number (17788948650).

Almost surely, 2212020302003 is an apocalyptic number.

212020302003 is a deficient number, since it is larger than the sum of its proper divisors (72602876397).

212020302003 is a wasteful number, since it uses less digits than its factorization.

212020302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53766.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 212020302003 its reverse (300203020212), we get a palindrome (512223322215).

The spelling of 212020302003 in words is "two hundred twelve billion, twenty million, three hundred two thousand, three".

Divisors: 1 3 149 447 11177 33531 42437 127311 1665373 4996119 6323113 18969339 474318349 1422955047 70673434001 212020302003