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136103918 = 268051959
BaseRepresentation
bin10000001110011…
…00011111101110
3100111002210110212
420013030133232
5234320311133
621301102422
73241602266
oct1007143756
9314083425
10136103918
116a910985
12396b7a12
1322274b82
141410c7a6
15be37148
hex81cc7ee

136103918 has 4 divisors (see below), whose sum is σ = 204155880. Its totient is φ = 68051958.

The previous prime is 136103917. The next prime is 136103927. The reversal of 136103918 is 819301631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 819301631 = 1607509833.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136103911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34025978 + ... + 34025981.

It is an arithmetic number, because the mean of its divisors is an integer number (51038970).

Almost surely, 2136103918 is an apocalyptic number.

136103918 is a deficient number, since it is larger than the sum of its proper divisors (68051962).

136103918 is an equidigital number, since it uses as much as digits as its factorization.

136103918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68051961.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 136103918 is about 11666.3583864032. The cubic root of 136103918 is about 514.3872663731.

The spelling of 136103918 in words is "one hundred thirty-six million, one hundred three thousand, nine hundred eighteen".

Divisors: 1 2 68051959 136103918