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101144213 = 432352191
BaseRepresentation
bin1100000011101…
…01011010010101
321001022122202222
412001311122111
5201343103323
614011512125
72335466042
oct601653225
9231278688
10101144213
1152103165
1229a58645
1317c54561
14d60c1c9
158d2d9c8
hex6075695

101144213 has 4 divisors (see below), whose sum is σ = 103496448. Its totient is φ = 98791980.

The previous prime is 101144207. The next prime is 101144233. The reversal of 101144213 is 312441101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101144213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101144191 and 101144200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101144233) 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 3 ways as a sum of consecutive naturals, for example, 1176053 + ... + 1176138.

It is an arithmetic number, because the mean of its divisors is an integer number (25874112).

Almost surely, 2101144213 is an apocalyptic number.

It is an amenable number.

101144213 is a deficient number, since it is larger than the sum of its proper divisors (2352235).

101144213 is an equidigital number, since it uses as much as digits as its factorization.

101144213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352234.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101144213 is about 10057.0479267029. The cubic root of 101144213 is about 465.9224959673.

Adding to 101144213 its reverse (312441101), we get a palindrome (413585314).

The spelling of 101144213 in words is "one hundred one million, one hundred forty-four thousand, two hundred thirteen".

Divisors: 1 43 2352191 101144213