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202221000212 = 22721193794527
BaseRepresentation
bin1011110001010101001…
…1111001011000010100
3201022222010111012000112
42330111103321120110
511303122034001322
6232522105502152
720416140066200
oct2742523713024
9638863435015
10202221000212
1178841534570
12332374a1958
13160b94c429a
149b05067b00
1553d843d5e2
hex2f154f9614

202221000212 has 36 divisors (see below), whose sum is σ = 449088200064. Its totient is φ = 78787401840.

The previous prime is 202221000199. The next prime is 202221000217. The reversal of 202221000212 is 212000122202.

202221000212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221000217) 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 11 ways as a sum of consecutive naturals, for example, 46895108 + ... + 46899419.

It is an arithmetic number, because the mean of its divisors is an integer number (12474672224).

Almost surely, 2202221000212 is an apocalyptic number.

202221000212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202221000212 is an abundant number, since it is smaller than the sum of its proper divisors (246867199852).

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

202221000212 is a wasteful number, since it uses less digits than its factorization.

202221000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93794556 (or 93794547 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221000212 its reverse (212000122202), we get a palindrome (414221122414).

The spelling of 202221000212 in words is "two hundred two billion, two hundred twenty-one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 93794527 187589054 375178108 656561689 1031739797 1313123378 2063479594 2626246756 4126959188 4595931823 7222178579 9191863646 14444357158 18383727292 28888714316 50555250053 101110500106 202221000212