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212010220086 = 23711681432143
BaseRepresentation
bin1100010101110011001…
…0110011101000110110
3202021020100122002011120
43011130302303220312
511433144104020321
6241221322444410
721213545064630
oct3053462635066
9667210562146
10212010220086
1181a05273325
1235109963706
1316cb9621792
14a3931dda50
1557aca62ec6
hex315ccb3a36

212010220086 has 32 divisors (see below), whose sum is σ = 484637395968. Its totient is φ = 60569022720.

The previous prime is 212010220063. The next prime is 212010220087. The reversal of 212010220086 is 680022010212.

212010220086 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010220087) 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, 274531 + ... + 706673.

It is an arithmetic number, because the mean of its divisors is an integer number (15144918624).

Almost surely, 2212010220086 is an apocalyptic number.

212010220086 is an abundant number, since it is smaller than the sum of its proper divisors (272627175882).

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

212010220086 is a wasteful number, since it uses less digits than its factorization.

212010220086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443836.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 212010220086 its reverse (680022010212), we get a palindrome (892032230298).

The spelling of 212010220086 in words is "two hundred twelve billion, ten million, two hundred twenty thousand, eighty-six".

Divisors: 1 2 3 6 7 14 21 42 11681 23362 35043 70086 81767 163534 245301 432143 490602 864286 1296429 2592858 3025001 6050002 9075003 18150006 5047862383 10095724766 15143587149 30287174298 35335036681 70670073362 106005110043 212010220086