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118801057 = 137867161
BaseRepresentation
bin1110001010011…
…00001010100001
322021112201102011
413011030022201
5220403113212
615442152521
72641535524
oct705141241
9267481364
10118801057
1161072aa1
1233952741
131b7c72ab
1411ac6bbb
15a66a4a7
hex714c2a1

118801057 has 4 divisors (see below), whose sum is σ = 119668356. Its totient is φ = 117933760.

The previous prime is 118801013. The next prime is 118801063. The reversal of 118801057 is 750108811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103245921 + 15555136 = 10161^2 + 3944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-118801057 is a prime.

It is a super-2 number, since 2×1188010572 = 28227382288634498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118801087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433444 + ... + 433717.

It is an arithmetic number, because the mean of its divisors is an integer number (29917089).

Almost surely, 2118801057 is an apocalyptic number.

It is an amenable number.

118801057 is a deficient number, since it is larger than the sum of its proper divisors (867299).

118801057 is an equidigital number, since it uses as much as digits as its factorization.

118801057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867298.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 118801057 is about 10899.5897629223. The cubic root of 118801057 is about 491.5942203065.

Adding to 118801057 its reverse (750108811), we get a palindrome (868909868).

The spelling of 118801057 in words is "one hundred eighteen million, eight hundred one thousand, fifty-seven".

Divisors: 1 137 867161 118801057