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212201022209 = 11179107770961
BaseRepresentation
bin1100010110100000101…
…0101010001100000001
3202021201122122211110212
43011220022222030001
511434041430202314
6241252300203505
721221352633221
oct3055012521401
9667648584425
10212201022209
1181aa2a43830
1235161839595
131701a008347
14a3b06aa081
1557be6a1e3e
hex31682aa301

212201022209 has 8 divisors (see below), whose sum is σ = 232785277920. Its totient is φ = 191832308800.

The previous prime is 212201022203. The next prime is 212201022301. The reversal of 212201022209 is 902220102212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212201022209 - 24 = 212201022193 is a prime.

It is a super-2 number, since 2×2122010222092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201022203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53883512 + ... + 53887449.

It is an arithmetic number, because the mean of its divisors is an integer number (29098159740).

Almost surely, 2212201022209 is an apocalyptic number.

It is an amenable number.

212201022209 is a deficient number, since it is larger than the sum of its proper divisors (20584255711).

212201022209 is a wasteful number, since it uses less digits than its factorization.

212201022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107771151.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 212201022209 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, two hundred nine".

Divisors: 1 11 179 1969 107770961 1185480571 19291002019 212201022209