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117871130 = 2513906701
BaseRepresentation
bin1110000011010…
…01001000011010
322012210110210102
413001221020122
5220133334010
615410215402
72630613416
oct701511032
9265713712
10117871130
1160598363
1233584562
131b55cc40
1411923d46
15a534ba5
hex706921a

117871130 has 16 divisors (see below), whose sum is σ = 228488904. Its totient is φ = 43521600.

The previous prime is 117871123. The next prime is 117871133. The reversal of 117871130 is 31178711.

It can be written as a sum of positive squares in 4 ways, for example, as 90193009 + 27678121 = 9497^2 + 5261^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117871093 and 117871102.

It is not an unprimeable number, because it can be changed into a prime (117871133) 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 7 ways as a sum of consecutive naturals, for example, 453221 + ... + 453480.

Almost surely, 2117871130 is an apocalyptic number.

117871130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117871130 is a deficient number, since it is larger than the sum of its proper divisors (110617774).

117871130 is a wasteful number, since it uses less digits than its factorization.

117871130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906721.

The product of its (nonzero) digits is 1176, while the sum is 29.

The square root of 117871130 is about 10856.8471482286. The cubic root of 117871130 is about 490.3081915135.

The spelling of 117871130 in words is "one hundred seventeen million, eight hundred seventy-one thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 906701 1813402 4533505 9067010 11787113 23574226 58935565 117871130