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118822141 = 412898101
BaseRepresentation
bin1110001010100…
…01010011111101
322021120210100001
413011101103331
5220404302031
615442434301
72641654144
oct705212375
9267523301
10118822141
1161087919
1233962991
131b803a79
1411ad075b
15a671861
hex71514fd

118822141 has 4 divisors (see below), whose sum is σ = 121720284. Its totient is φ = 115924000.

The previous prime is 118822103. The next prime is 118822147. The reversal of 118822141 is 141228811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141228811 = 294869959.

It can be written as a sum of positive squares in 2 ways, for example, as 9703225 + 109118916 = 3115^2 + 10446^2 .

It is a cyclic number.

It is not a de Polignac number, because 118822141 - 215 = 118789373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118822147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449010 + ... + 1449091.

It is an arithmetic number, because the mean of its divisors is an integer number (30430071).

Almost surely, 2118822141 is an apocalyptic number.

It is an amenable number.

118822141 is a deficient number, since it is larger than the sum of its proper divisors (2898143).

118822141 is an equidigital number, since it uses as much as digits as its factorization.

118822141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898142.

The product of its digits is 1024, while the sum is 28.

The square root of 118822141 is about 10900.5569123784. The cubic root of 118822141 is about 491.6233001809.

The spelling of 118822141 in words is "one hundred eighteen million, eight hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 41 2898101 118822141