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115103141 = 1747712029
BaseRepresentation
bin1101101110001…
…01010110100101
322000120211211022
412313011112211
5213431300031
615231020525
72565234446
oct667052645
9260524738
10115103141
1159a7776a
123266a745
131ab0108a
14114032cd
15a18997b
hex6dc55a5

115103141 has 16 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 104482560.

The previous prime is 115103129. The next prime is 115103143. The reversal of 115103141 is 141301511.

It is a cyclic number.

It is not a de Polignac number, because 115103141 - 226 = 47994277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115103143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55715 + ... + 57743.

It is an arithmetic number, because the mean of its divisors is an integer number (7892640).

Almost surely, 2115103141 is an apocalyptic number.

It is an amenable number.

115103141 is a deficient number, since it is larger than the sum of its proper divisors (11179099).

115103141 is a wasteful number, since it uses less digits than its factorization.

115103141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 115103141 is about 10728.6131909022. The cubic root of 115103141 is about 486.4397519635.

Adding to 115103141 its reverse (141301511), we get a palindrome (256404652).

The spelling of 115103141 in words is "one hundred fifteen million, one hundred three thousand, one hundred forty-one".

Divisors: 1 17 47 71 799 1207 2029 3337 34493 56729 95363 144059 1621171 2449003 6770773 115103141