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123120133230 = 2354104004441
BaseRepresentation
bin111001010101010001…
…0000010010001101110
3102202210110020210122110
41302222202002101232
54004122223230410
6132321031424450
711616013602513
oct1625242022156
9382713223573
10123120133230
1148240118426
121ba40825126
13b7c1741353
145d5d8a130a
153308d79720
hex1caa88246e

123120133230 has 16 divisors (see below), whose sum is σ = 295488319824. Its totient is φ = 32832035520.

The previous prime is 123120133229. The next prime is 123120133261. The reversal of 123120133230 is 32331021321.

123120133230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 123120133197 and 123120133206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052002191 + ... + 2052002250.

It is an arithmetic number, because the mean of its divisors is an integer number (18468019989).

Almost surely, 2123120133230 is an apocalyptic number.

123120133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123120133230 is an abundant number, since it is smaller than the sum of its proper divisors (172368186594).

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

123120133230 is a wasteful number, since it uses less digits than its factorization.

123120133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104004451.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123120133230 its reverse (32331021321), we get a palindrome (155451154551).

The spelling of 123120133230 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4104004441 8208008882 12312013323 20520022205 24624026646 41040044410 61560066615 123120133230