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123244130 = 2512324413
BaseRepresentation
bin1110101100010…
…00111001100010
322120220110011102
413112020321202
5223022303010
620121314402
73024362222
oct726107142
9276813142
10123244130
1163628159
1235335a02
131c6c1729
1412522082
15ac46ba5
hex7588e62

123244130 has 8 divisors (see below), whose sum is σ = 221839452. Its totient is φ = 49297648.

The previous prime is 123244117. The next prime is 123244141. The reversal of 123244130 is 31442321.

It can be written as a sum of positive squares in 2 ways, for example, as 121638841 + 1605289 = 11029^2 + 1267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6162197 + ... + 6162216.

Almost surely, 2123244130 is an apocalyptic number.

123244130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123244130 is a deficient number, since it is larger than the sum of its proper divisors (98595322).

123244130 is a wasteful number, since it uses less digits than its factorization.

123244130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324420.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123244130 is about 11101.5372809355. The cubic root of 123244130 is about 497.6477915838.

Adding to 123244130 its reverse (31442321), we get a palindrome (154686451).

The spelling of 123244130 in words is "one hundred twenty-three million, two hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 12324413 24648826 61622065 123244130