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123000030210 = 23531132258097
BaseRepresentation
bin111001010001101011…
…1111000010000000010
3102202111002020221021110
41302203113320100002
54003401001431320
6132301101304150
711613025002111
oct1624327702002
9382432227243
10123000030210
1148189346232
121ba08565056
13b7a28ac585
145d4b959c78
1532ed5535e0
hex1ca35f8402

123000030210 has 32 divisors (see below), whose sum is σ = 304722657792. Its totient is φ = 31741943040.

The previous prime is 123000030191. The next prime is 123000030221. The reversal of 123000030210 is 12030000321.

It is a happy number.

123000030210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 66128119 + ... + 66129978.

It is an arithmetic number, because the mean of its divisors is an integer number (9522583056).

Almost surely, 2123000030210 is an apocalyptic number.

123000030210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123000030210 is an abundant number, since it is smaller than the sum of its proper divisors (181722627582).

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

123000030210 is a wasteful number, since it uses less digits than its factorization.

123000030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132258138.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 123000030210 its reverse (12030000321), we get a palindrome (135030030531).

The spelling of 123000030210 in words is "one hundred twenty-three billion, thirty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 132258097 264516194 396774291 661290485 793548582 1322580970 1983871455 3967742910 4100001007 8200002014 12300003021 20500005035 24600006042 41000010070 61500015105 123000030210