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118108397 = 1179135913
BaseRepresentation
bin1110000101000…
…11000011101101
322020020112021002
413002203003231
5220213432042
615415250045
72632622231
oct702430355
9266215232
10118108397
116073a650
1233679925
131b613c34
14119865c1
15a580132
hex70a30ed

118108397 has 8 divisors (see below), whose sum is σ = 130477440. Its totient is φ = 106011360.

The previous prime is 118108373. The next prime is 118108409. The reversal of 118108397 is 793801811.

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 118108397 - 216 = 118042861 is a prime.

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 118108397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118108297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67088 + ... + 68825.

It is an arithmetic number, because the mean of its divisors is an integer number (16309680).

Almost surely, 2118108397 is an apocalyptic number.

It is an amenable number.

118108397 is a deficient number, since it is larger than the sum of its proper divisors (12369043).

118108397 is a wasteful number, since it uses less digits than its factorization.

118108397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136003.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 118108397 is about 10867.7687222355. The cubic root of 118108397 is about 490.6369572971.

The spelling of 118108397 in words is "one hundred eighteen million, one hundred eight thousand, three hundred ninety-seven".

Divisors: 1 11 79 869 135913 1495043 10737127 118108397