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123800712232 = 2320537537793
BaseRepresentation
bin111001101001100011…
…0001111010000101000
3102211112212212210112011
41303103012033100220
54012020440242412
6132512342525304
711641616456041
oct1632306172050
9384485783464
10123800712232
114855a30250a
121bbb0736834
13b89c740a12
145dc60218c8
1533489b27a7
hex1cd318f428

123800712232 has 16 divisors (see below), whose sum is σ = 232239433140. Its totient is φ = 61870196736.

The previous prime is 123800712227. The next prime is 123800712239. The reversal of 123800712232 is 232217008321.

It can be written as a sum of positive squares in 2 ways, for example, as 120849397956 + 2951314276 = 347634^2 + 54326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123800712194 and 123800712203.

It is not an unprimeable number, because it can be changed into a prime (123800712239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752473 + ... + 3785320.

Almost surely, 2123800712232 is an apocalyptic number.

It is an amenable number.

123800712232 is a deficient number, since it is larger than the sum of its proper divisors (108438720908).

123800712232 is a wasteful number, since it uses less digits than its factorization.

123800712232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539852 (or 7539848 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 123800712232 in words is "one hundred twenty-three billion, eight hundred million, seven hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 2053 4106 8212 16424 7537793 15075586 30151172 60302344 15475089029 30950178058 61900356116 123800712232