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101115213 = 3173194827
BaseRepresentation
bin1100000011011…
…10010101001101
321001021011222220
412001232111031
5201341141323
614011125553
72335315353
oct601562515
9231234886
10101115213
11520933a1
1229a438b9
1317c442b4
14d6017d3
158d250e3
hex606e54d

101115213 has 8 divisors (see below), whose sum is σ = 135600288. Its totient is φ = 67020144.

The previous prime is 101115197. The next prime is 101115221. The reversal of 101115213 is 312511101.

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

It is not a de Polignac number, because 101115213 - 24 = 101115197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101115192 and 101115201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101115253) 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, 96895 + ... + 97932.

It is an arithmetic number, because the mean of its divisors is an integer number (16950036).

Almost surely, 2101115213 is an apocalyptic number.

It is an amenable number.

101115213 is a deficient number, since it is larger than the sum of its proper divisors (34485075).

101115213 is a wasteful number, since it uses less digits than its factorization.

101115213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195003.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 101115213 is about 10055.6060483692. The cubic root of 101115213 is about 465.8779620504.

Adding to 101115213 its reverse (312511101), we get a palindrome (413626314).

The spelling of 101115213 in words is "one hundred one million, one hundred fifteen thousand, two hundred thirteen".

Divisors: 1 3 173 519 194827 584481 33705071 101115213