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212020223211 = 32378933121613
BaseRepresentation
bin1100010101110101100…
…0111101110011101011
3202021021001110021212200
43011131120331303223
511433204134120321
6241222321111243
721214026106356
oct3053530756353
9667231407780
10212020223211
1181a0a985875
1235111188523
1316cbb7148a4
14a39468529d
1557ad88bd26
hex315d63dceb

212020223211 has 48 divisors (see below), whose sum is σ = 319038202080. Its totient is φ = 135564295680.

The previous prime is 212020223201. The next prime is 212020223221. The reversal of 212020223211 is 112322020212.

212020223211 is a `hidden beast` number, since 212 + 0 + 20 + 223 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (212020223201) and next prime (212020223221).

It is not a de Polignac number, because 212020223211 - 213 = 212020215019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212020223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9799041 + ... + 9820653.

It is an arithmetic number, because the mean of its divisors is an integer number (6646629210).

Almost surely, 2212020223211 is an apocalyptic number.

212020223211 is a deficient number, since it is larger than the sum of its proper divisors (107017978869).

212020223211 is a wasteful number, since it uses less digits than its factorization.

212020223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22076 (or 22073 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212020223211 its reverse (112322020212), we get a palindrome (324342243423).

The spelling of 212020223211 in words is "two hundred twelve billion, twenty million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 3 9 37 89 111 267 331 333 801 993 2979 3293 9879 12247 21613 29459 29637 36741 64839 88377 110223 194517 265131 799681 1089983 1923557 2399043 3269949 5770671 7153903 7197129 9809847 17312013 21461709 64385127 71171609 213514827 264694411 636697367 640544481 794083233 1910092101 2382249699 5730276303 23557802579 70673407737 212020223211