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117107057 = 3113128837
BaseRepresentation
bin1101111101011…
…10100101110001
322011100122200102
412332232211301
5214434411212
615342002145
72621251664
oct676564561
9264318612
10117107057
11601162a1
1233276355
131b353222
14117a56db
15a4335c2
hex6fae971

117107057 has 8 divisors (see below), whose sum is σ = 121811712. Its totient is φ = 112460400.

The previous prime is 117107047. The next prime is 117107059. The reversal of 117107057 is 750701711.

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 117107057 - 212 = 117102961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117107059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10358 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (15226464).

Almost surely, 2117107057 is an apocalyptic number.

It is an amenable number.

117107057 is a deficient number, since it is larger than the sum of its proper divisors (4704655).

117107057 is a wasteful number, since it uses less digits than its factorization.

117107057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28999.

The product of its (nonzero) digits is 1715, while the sum is 29.

The square root of 117107057 is about 10821.6014064463. The cubic root of 117107057 is about 489.2464566449.

Adding to 117107057 its reverse (750701711), we get a palindrome (867808768).

The spelling of 117107057 in words is "one hundred seventeen million, one hundred seven thousand, fifty-seven".

Divisors: 1 31 131 4061 28837 893947 3777647 117107057