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101106021 = 3171982471
BaseRepresentation
bin1100000011011…
…00000101100101
321001020201101110
412001230011211
5201340343041
614011015233
72335246512
oct601540545
9231221343
10101106021
11520874a5
1229a3a519
1317c40063
14d5dc309
158d22516
hex606c165

101106021 has 8 divisors (see below), whose sum is σ = 142737984. Its totient is φ = 63439040.

The previous prime is 101106013. The next prime is 101106023. The reversal of 101106021 is 120601101.

It is a happy number.

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 101106021 - 23 = 101106013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101105988 and 101106006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101106023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991185 + ... + 991286.

It is an arithmetic number, because the mean of its divisors is an integer number (17842248).

Almost surely, 2101106021 is an apocalyptic number.

It is an amenable number.

101106021 is a deficient number, since it is larger than the sum of its proper divisors (41631963).

101106021 is a wasteful number, since it uses less digits than its factorization.

101106021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982491.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 101106021 is about 10055.1489795030. The cubic root of 101106021 is about 465.8638445572.

Adding to 101106021 its reverse (120601101), we get a palindrome (221707122).

The spelling of 101106021 in words is "one hundred one million, one hundred six thousand, twenty-one".

Divisors: 1 3 17 51 1982471 5947413 33702007 101106021