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101143841 = 346329207
BaseRepresentation
bin1100000011101…
…01010100100001
321001022122021012
412001311110201
5201343100331
614011510305
72335465001
oct601652441
9231278235
10101143841
1152102957
1229a58395
1317c54336
14d60c001
158d2d82b
hex6075521

101143841 has 4 divisors (see below), whose sum is σ = 101176512. Its totient is φ = 101111172.

The previous prime is 101143817. The next prime is 101143871. The reversal of 101143841 is 148341101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 148341101 = 317467953.

It is a cyclic number.

It is not a de Polignac number, because 101143841 - 210 = 101142817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101143871) 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 3 ways as a sum of consecutive naturals, for example, 11141 + ... + 18066.

It is an arithmetic number, because the mean of its divisors is an integer number (25294128).

Almost surely, 2101143841 is an apocalyptic number.

It is an amenable number.

101143841 is a deficient number, since it is larger than the sum of its proper divisors (32671).

101143841 is an equidigital number, since it uses as much as digits as its factorization.

101143841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32670.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 101143841 is about 10057.0294321932. The cubic root of 101143841 is about 465.9219247586.

Adding to 101143841 its reverse (148341101), we get a palindrome (249484942).

The spelling of 101143841 in words is "one hundred one million, one hundred forty-three thousand, eight hundred forty-one".

Divisors: 1 3463 29207 101143841