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106663812 = 2238888651
BaseRepresentation
bin1100101101110…
…00111110000100
321102201002020120
412112320332010
5204301220222
614330101540
72433425133
oct626707604
9242632216
10106663812
1155233112
122b87a8b0
13191379a8
141024791a
15956e15c
hex65b8f84

106663812 has 12 divisors (see below), whose sum is σ = 248882256. Its totient is φ = 35554600.

The previous prime is 106663793. The next prime is 106663841. The reversal of 106663812 is 218366601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1066638122 = 22754337580742688, which contains 22 as substring.

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, 4444314 + ... + 4444337.

It is an arithmetic number, because the mean of its divisors is an integer number (20740188).

Almost surely, 2106663812 is an apocalyptic number.

106663812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

106663812 is an abundant number, since it is smaller than the sum of its proper divisors (142218444).

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

106663812 is a wasteful number, since it uses less digits than its factorization.

106663812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888658 (or 8888656 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 106663812 is about 10327.8173880060. The cubic root of 106663812 is about 474.2482098340.

The spelling of 106663812 in words is "one hundred six million, six hundred sixty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 8888651 17777302 26665953 35554604 53331906 106663812