Search a number
-
+
117737081 = 7111529053
BaseRepresentation
bin1110000010010…
…00011001111001
322012112122220122
413001020121321
5220120041311
615403303025
72626514540
oct701103171
9265478818
10117737081
1160506680
123351aa75
131b513c17
14118cb157
15a50a0db
hex7048679

117737081 has 8 divisors (see below), whose sum is σ = 146789184. Its totient is φ = 91743120.

The previous prime is 117737041. The next prime is 117737083. The reversal of 117737081 is 180737711.

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

It is not a de Polignac number, because 117737081 - 26 = 117737017 is a prime.

It is a super-2 number, since 2×1177370812 = 27724040484801122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117737083) 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, 764450 + ... + 764603.

It is an arithmetic number, because the mean of its divisors is an integer number (18348648).

Almost surely, 2117737081 is an apocalyptic number.

117737081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117737081 is a deficient number, since it is larger than the sum of its proper divisors (29052103).

117737081 is a wasteful number, since it uses less digits than its factorization.

117737081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529071.

The product of its (nonzero) digits is 8232, while the sum is 35.

The square root of 117737081 is about 10850.6719146788. The cubic root of 117737081 is about 490.1222532664.

The spelling of 117737081 in words is "one hundred seventeen million, seven hundred thirty-seven thousand, eighty-one".

Divisors: 1 7 11 77 1529053 10703371 16819583 117737081