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123038012 = 2259351871
BaseRepresentation
bin1110101010101…
…10100100111100
322120111222102102
413111112210330
5222444204022
620113044232
73022543256
oct725264474
9276458372
10123038012
11634a7309
1235256678
131c64b976
14124aacd6
15ac05a92
hex755693c

123038012 has 12 divisors (see below), whose sum is σ = 215683776. Its totient is φ = 61414080.

The previous prime is 123038009. The next prime is 123038021. The reversal of 123038012 is 210830321.

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, 23564 + ... + 28307.

It is an arithmetic number, because the mean of its divisors is an integer number (17973648).

Almost surely, 2123038012 is an apocalyptic number.

It is an amenable number.

123038012 is a deficient number, since it is larger than the sum of its proper divisors (92645764).

123038012 is a wasteful number, since it uses less digits than its factorization.

123038012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52468 (or 52466 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 123038012 is about 11092.2500873358. The cubic root of 123038012 is about 497.3702086443.

Adding to 123038012 its reverse (210830321), we get a palindrome (333868333).

The spelling of 123038012 in words is "one hundred twenty-three million, thirty-eight thousand, twelve".

Divisors: 1 2 4 593 1186 2372 51871 103742 207484 30759503 61519006 123038012