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123430200244 = 22132373657697
BaseRepresentation
bin111001011110100000…
…0110110001110110100
3102210121001200211121221
41302331000312032310
54010241112401434
6132411505320124
711626500251131
oct1627500661664
9383531624557
10123430200244
114838a14835a
121bb08636044
13b840a55360
145d8cb35588
1533261c62b4
hex1cbd0363b4

123430200244 has 12 divisors (see below), whose sum is σ = 232618454404. Its totient is φ = 56967784704.

The previous prime is 123430200233. The next prime is 123430200293. The reversal of 123430200244 is 442002034321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59136512400 + 64293687844 = 243180^2 + 253562^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186828797 + ... + 1186828900.

Almost surely, 2123430200244 is an apocalyptic number.

It is an amenable number.

123430200244 is a deficient number, since it is larger than the sum of its proper divisors (109188254160).

123430200244 is a wasteful number, since it uses less digits than its factorization.

123430200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373657714 (or 2373657712 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 123430200244 its reverse (442002034321), we get a palindrome (565432234565).

The spelling of 123430200244 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 2373657697 4747315394 9494630788 30857550061 61715100122 123430200244