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111110000022 = 23371915470621
BaseRepresentation
bin110011101111010101…
…1000000110110010110
3101121210110001211011000
41213132223000312112
53310023130000042
6123013200524130
711012260263060
oct1473653006626
9347713054130
10111110000022
11431377755aa
121964a620646
13a62946c458
1455407a6730
152d547a674c
hex19deac0d96

111110000022 has 64 divisors (see below), whose sum is σ = 297035942400. Its totient is φ = 30074885280.

The previous prime is 111110000011. The next prime is 111110000051. The reversal of 111110000022 is 220000011111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111109999959 and 111110000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7728129 + ... + 7742492.

It is an arithmetic number, because the mean of its divisors is an integer number (4641186600).

Almost surely, 2111110000022 is an apocalyptic number.

111110000022 is an abundant number, since it is smaller than the sum of its proper divisors (185925942378).

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

111110000022 is a wasteful number, since it uses less digits than its factorization.

111110000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470658 (or 15470652 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111110000022 its reverse (220000011111), we get a palindrome (331110011133).

The spelling of 111110000022 in words is "one hundred eleven billion, one hundred ten million, twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 63 114 126 133 171 189 266 342 378 399 513 798 1026 1197 2394 3591 7182 15470621 30941242 46411863 92823726 108294347 139235589 216588694 278471178 293941799 324883041 417706767 587883598 649766082 835413534 881825397 974649123 1763650794 1949298246 2057592593 2645476191 2923947369 4115185186 5290952382 5847894738 6172777779 7936428573 12345555558 15872857146 18518333337 37036666674 55555000011 111110000022