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111111201000212 = 2273968257178579
BaseRepresentation
bin11001010000111000010111…
…101010101000101100010100
3112120102010102122021022112112
4121100320113222220230110
5104030421214424001322
61032151440413410152
732255343066261440
oct3120702752505424
9476363378238475
10111111201000212
1132448aa5335456
1210566118499958
1349cc98381b6ba
141d61b4cc7b820
15cca3cd7085e2
hex650e17aa8b14

111111201000212 has 12 divisors (see below), whose sum is σ = 222222402000480. Its totient is φ = 47619086142936.

The previous prime is 111111201000113. The next prime is 111111201000313. The reversal of 111111201000212 is 212000102111111.

111111201000212 is an admirable number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984128589262 + ... + 1984128589317.

It is an arithmetic number, because the mean of its divisors is an integer number (18518533500040).

Almost surely, 2111111201000212 is an apocalyptic number.

It is an amenable number.

111111201000212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111111201000212 is a wasteful number, since it uses less digits than its factorization.

111111201000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968257178590 (or 3968257178588 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111111201000212 its reverse (212000102111111), we get a palindrome (323111303111323).

The spelling of 111111201000212 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 7 14 28 3968257178579 7936514357158 15873028714316 27777800250053 55555600500106 111111201000212