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123338012 = 2274404929
BaseRepresentation
bin1110101100111…
…11110100011100
322121002012221112
413112133310130
5223033304022
620123321152
73025233020
oct726376434
9277065845
10123338012
1163691746
12353801b8
131c725395
1412548380
15ac648e2
hex759fd1c

123338012 has 12 divisors (see below), whose sum is σ = 246676080. Its totient is φ = 52859136.

The previous prime is 123337999. The next prime is 123338021. The reversal of 123338012 is 210833321.

123338012 is an admirable number.

It is a super-2 number, since 2×1233380122 = 30424530408224288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202437 + ... + 2202492.

It is an arithmetic number, because the mean of its divisors is an integer number (20556340).

Almost surely, 2123338012 is an apocalyptic number.

It is an amenable number.

123338012 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.

123338012 is a wasteful number, since it uses less digits than its factorization.

123338012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404940 (or 4404938 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 123338012 is about 11105.7648093231. The cubic root of 123338012 is about 497.7741216353.

The spelling of 123338012 in words is "one hundred twenty-three million, three hundred thirty-eight thousand, twelve".

Divisors: 1 2 4 7 14 28 4404929 8809858 17619716 30834503 61669006 123338012