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123002000312 = 2315375250039
BaseRepresentation
bin111001010001101111…
…1011001001110111000
3102202111012222000202012
41302203133121032320
54003402003002222
6132301211425052
711613050515622
oct1624337311670
9382435860665
10123002000312
114818a471414
121ba09155188
13b7a311c209
145d4bd0dc12
1532ed7e21e2
hex1ca37d93b8

123002000312 has 8 divisors (see below), whose sum is σ = 230628750600. Its totient is φ = 61501000152.

The previous prime is 123002000299. The next prime is 123002000333. The reversal of 123002000312 is 213000200321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7687625012 + ... + 7687625027.

It is an arithmetic number, because the mean of its divisors is an integer number (28828593825).

Almost surely, 2123002000312 is an apocalyptic number.

It is an amenable number.

123002000312 is a deficient number, since it is larger than the sum of its proper divisors (107626750288).

123002000312 is a wasteful number, since it uses less digits than its factorization.

123002000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375250045 (or 15375250041 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 123002000312 its reverse (213000200321), we get a palindrome (336002200633).

Subtracting 123002000312 from its reverse (213000200321), we obtain a square (89998200009 = 2999972).

The spelling of 123002000312 in words is "one hundred twenty-three billion, two million, three hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 8 15375250039 30750500078 61501000156 123002000312