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117115069 = 1952111831
BaseRepresentation
bin1101111101100…
…00100010111101
322011101001200011
412332300202331
5214440140234
615342103221
72621314231
oct676604275
9264331604
10117115069
1160121315
123327ab11
131b356a76
14117a85c1
15a435b64
hex6fb08bd

117115069 has 8 divisors (see below), whose sum is σ = 123526080. Its totient is φ = 110728800.

The previous prime is 117115039. The next prime is 117115073. The reversal of 117115069 is 960511711.

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 117115069 - 211 = 117113021 is a prime.

It is a super-2 number, since 2×1171150692 = 27431878773749522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117115069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117115039) 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, 3984 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (15440760).

Almost surely, 2117115069 is an apocalyptic number.

117115069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117115069 is a deficient number, since it is larger than the sum of its proper divisors (6411011).

117115069 is a wasteful number, since it uses less digits than its factorization.

117115069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12371.

The product of its (nonzero) digits is 1890, while the sum is 31.

The square root of 117115069 is about 10821.9715856215. The cubic root of 117115069 is about 489.2576138240.

The spelling of 117115069 in words is "one hundred seventeen million, one hundred fifteen thousand, sixty-nine".

Divisors: 1 19 521 9899 11831 224789 6163951 117115069