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123123002030 = 2575333186793
BaseRepresentation
bin111001010101010110…
…0111110101010101110
3102202210122122112220022
41302222230332222232
54004123442031110
6132321213122142
711616050151410
oct1625254765256
9382718575808
10123123002030
11482417a7836
121ba41789352
13b7c2207072
145d6000a9b0
153309244755
hex1caab3eaae

123123002030 has 32 divisors (see below), whose sum is σ = 258060510144. Its totient is φ = 41417116416.

The previous prime is 123123002021. The next prime is 123123002063. The reversal of 123123002030 is 30200321321.

It is a super-3 number, since 3×1231230020303 (a number of 34 digits) contains 333 as substring.

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, 16589687 + ... + 16597106.

It is an arithmetic number, because the mean of its divisors is an integer number (8064390942).

Almost surely, 2123123002030 is an apocalyptic number.

123123002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123123002030 is an abundant number, since it is smaller than the sum of its proper divisors (134937508114).

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

123123002030 is a wasteful number, since it uses less digits than its factorization.

123123002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33186860.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123123002030 its reverse (30200321321), we get a palindrome (153323323351).

The spelling of 123123002030 in words is "one hundred twenty-three billion, one hundred twenty-three million, two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3710 33186793 66373586 165933965 232307551 331867930 464615102 1161537755 1758900029 2323075510 3517800058 8794500145 12312300203 17589000290 24624600406 61561501015 123123002030