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101116397 = 653154849
BaseRepresentation
bin1100000011011…
…10100111101101
321001021020121202
412001232213231
5201341211042
614011135245
72335321664
oct601564755
9231236552
10101116397
1152094278
1229a44525
1317c449b5
14d601ddb
158d25632
hex606e9ed

101116397 has 4 divisors (see below), whose sum is σ = 101271900. Its totient is φ = 100960896.

The previous prime is 101116387. The next prime is 101116427. The reversal of 101116397 is 793611101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793611101 = 1495326249.

It can be written as a sum of positive squares in 2 ways, for example, as 70324996 + 30791401 = 8386^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 101116397 - 24 = 101116381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101116387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76772 + ... + 78077.

It is an arithmetic number, because the mean of its divisors is an integer number (25317975).

Almost surely, 2101116397 is an apocalyptic number.

It is an amenable number.

101116397 is a deficient number, since it is larger than the sum of its proper divisors (155503).

101116397 is an equidigital number, since it uses as much as digits as its factorization.

101116397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155502.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 101116397 is about 10055.6649208295. The cubic root of 101116397 is about 465.8797804294.

Adding to 101116397 its reverse (793611101), we get a palindrome (894727498).

The spelling of 101116397 in words is "one hundred one million, one hundred sixteen thousand, three hundred ninety-seven".

Divisors: 1 653 154849 101116397