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115110145 = 5172372153
BaseRepresentation
bin1101101110001…
…11000100000001
322000121012102201
412313013010001
5213432011040
615231113201
72565264043
oct667070401
9260535381
10115110145
1159a81a57
1232672801
131ab04317
1411405a93
15a18ba9a
hex6dc7101

115110145 has 24 divisors (see below), whose sum is σ = 150771384. Its totient is φ = 84289536.

The previous prime is 115110137. The next prime is 115110173. The reversal of 115110145 is 541011511.

It can be written as a sum of positive squares in 12 ways, for example, as 4355569 + 110754576 = 2087^2 + 10524^2 .

It is not a de Polignac number, because 115110145 - 23 = 115110137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52389 + ... + 54541.

It is an arithmetic number, because the mean of its divisors is an integer number (6282141).

Almost surely, 2115110145 is an apocalyptic number.

It is an amenable number.

115110145 is a deficient number, since it is larger than the sum of its proper divisors (35661239).

115110145 is a wasteful number, since it uses less digits than its factorization.

115110145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 115110145 is about 10728.9396027753. The cubic root of 115110145 is about 486.4496183462.

Adding to 115110145 its reverse (541011511), we get a palindrome (656121656).

The spelling of 115110145 in words is "one hundred fifteen million, one hundred ten thousand, one hundred forty-five".

Divisors: 1 5 17 37 85 185 289 629 1445 2153 3145 10693 10765 36601 53465 79661 183005 398305 622217 1354237 3111085 6771185 23022029 115110145