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117110215 = 523422043
BaseRepresentation
bin1101111101011…
…11010111000111
322011100211000101
412332233113013
5214440011330
615342024531
72621264125
oct676572707
9264324011
10117110215
1160118702
1233278147
131b3547b1
14117a6915
15a4344ca
hex6faf5c7

117110215 has 4 divisors (see below), whose sum is σ = 140532264. Its totient is φ = 93688168.

The previous prime is 117110209. The next prime is 117110237. The reversal of 117110215 is 512011711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512011711 = 2292235859.

It is a cyclic number.

It is not a de Polignac number, because 117110215 - 29 = 117109703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117110192 and 117110201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11711017 + ... + 11711026.

It is an arithmetic number, because the mean of its divisors is an integer number (35133066).

Almost surely, 2117110215 is an apocalyptic number.

117110215 is a deficient number, since it is larger than the sum of its proper divisors (23422049).

117110215 is an equidigital number, since it uses as much as digits as its factorization.

117110215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23422048.

The product of its (nonzero) digits is 70, while the sum is 19.

The square root of 117110215 is about 10821.7473173236. The cubic root of 117110215 is about 489.2508544056.

Adding to 117110215 its reverse (512011711), we get a palindrome (629121926).

The spelling of 117110215 in words is "one hundred seventeen million, one hundred ten thousand, two hundred fifteen".

Divisors: 1 5 23422043 117110215