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109703138 = 254851569
BaseRepresentation
bin1101000100111…
…10111111100010
321122102111102012
412202132333202
5211041000023
614515152522
72501314136
oct642367742
9248374365
10109703138
1156a19656
12308a5742
13199601cc
14107d93c6
15996e978
hex689efe2

109703138 has 4 divisors (see below), whose sum is σ = 164554710. Its totient is φ = 54851568.

The previous prime is 109703119. The next prime is 109703149. The reversal of 109703138 is 831307901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831307901 = 1549353657.

It can be written as a sum of positive squares in only one way, i.e., 100661089 + 9042049 = 10033^2 + 3007^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27425783 + ... + 27425786.

Almost surely, 2109703138 is an apocalyptic number.

109703138 is a deficient number, since it is larger than the sum of its proper divisors (54851572).

109703138 is an equidigital number, since it uses as much as digits as its factorization.

109703138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54851571.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 109703138 is about 10473.9265798458. The cubic root of 109703138 is about 478.7105699608.

The spelling of 109703138 in words is "one hundred nine million, seven hundred three thousand, one hundred thirty-eight".

Divisors: 1 2 54851569 109703138