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118468129 = 1324137813
BaseRepresentation
bin1110000111110…
…10111000100001
322020220210201111
413003322320201
5220311440004
615431103321
72635651063
oct703727041
9266823644
10118468129
116096594a
1233811b41
131b70b8b0
1411a3b733
15a601a04
hex70fae21

118468129 has 8 divisors (see below), whose sum is σ = 128113832. Its totient is φ = 108898560.

The previous prime is 118468111. The next prime is 118468159. The reversal of 118468129 is 921864811.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 118048225 = 648^2 + 10865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118468129 - 213 = 118459937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118468091 and 118468100.

It is not an unprimeable number, because it can be changed into a prime (118468109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15774 + ... + 22039.

It is an arithmetic number, because the mean of its divisors is an integer number (16014229).

Almost surely, 2118468129 is an apocalyptic number.

It is an amenable number.

118468129 is a deficient number, since it is larger than the sum of its proper divisors (9645703).

118468129 is a wasteful number, since it uses less digits than its factorization.

118468129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38067.

The product of its digits is 27648, while the sum is 40.

The square root of 118468129 is about 10884.3065465835. The cubic root of 118468129 is about 491.1345762357.

The spelling of 118468129 in words is "one hundred eighteen million, four hundred sixty-eight thousand, one hundred twenty-nine".

Divisors: 1 13 241 3133 37813 491569 9112933 118468129