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168101112 = 233232331307
BaseRepresentation
bin10100000010100…
…00010011111000
3102201022102101010
422001100103320
5321013213422
624402553520
74110556464
oct1201202370
9381272333
10168101112
1186985943
12483688a0
1328a98c1a
141847b4a4
15eb57b0c
hexa0504f8

168101112 has 64 divisors (see below), whose sum is σ = 440743680. Its totient is φ = 53326592.

The previous prime is 168101039. The next prime is 168101149. The reversal of 168101112 is 211101861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127963 + ... + 129269.

It is an arithmetic number, because the mean of its divisors is an integer number (6886620).

Almost surely, 2168101112 is an apocalyptic number.

168101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220371840).

168101112 is an abundant number, since it is smaller than the sum of its proper divisors (272642568).

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

168101112 is a wasteful number, since it uses less digits than its factorization.

168101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 21.

The square root of 168101112 is about 12965.3812901897. The cubic root of 168101112 is about 551.8955116236.

Adding to 168101112 its reverse (211101861), we get a palindrome (379202973).

The spelling of 168101112 in words is "one hundred sixty-eight million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 233 276 466 552 699 932 1307 1398 1864 2614 2796 3921 5228 5359 5592 7842 10456 10718 15684 16077 21436 30061 31368 32154 42872 60122 64308 90183 120244 128616 180366 240488 304531 360732 609062 721464 913593 1218124 1827186 2436248 3654372 7004213 7308744 14008426 21012639 28016852 42025278 56033704 84050556 168101112