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118968985 = 547506251
BaseRepresentation
bin1110001011101…
…01001010011001
322021212020202201
413011311022121
5220424001420
615445530201
72643135232
oct705651231
9267766681
10118968985
1161178183
1233a13961
131b855865
1411b2c089
15a6a010a
hex7175299

118968985 has 8 divisors (see below), whose sum is σ = 145800576. Its totient is φ = 93150000.

The previous prime is 118968911. The next prime is 118968989. The reversal of 118968985 is 589869811.

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

It is not a de Polignac number, because 118968985 - 215 = 118936217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118968989) 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, 252891 + ... + 253360.

It is an arithmetic number, because the mean of its divisors is an integer number (18225072).

Almost surely, 2118968985 is an apocalyptic number.

It is an amenable number.

118968985 is a deficient number, since it is larger than the sum of its proper divisors (26831591).

118968985 is an equidigital number, since it uses as much as digits as its factorization.

118968985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506303.

The product of its digits is 1244160, while the sum is 55.

The square root of 118968985 is about 10907.2904518033. The cubic root of 118968985 is about 491.8257377982.

The spelling of 118968985 in words is "one hundred eighteen million, nine hundred sixty-eight thousand, nine hundred eighty-five".

Divisors: 1 5 47 235 506251 2531255 23793797 118968985