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101210041 = 611659181
BaseRepresentation
bin1100000100001…
…01011110111001
321001110000002001
412002011132321
5201402210131
614013141001
72336162002
oct602053671
9231400061
10101210041
1152148669
1229a8a761
1317c784ca
14d6281a9
158d43261
hex60857b9

101210041 has 4 divisors (see below), whose sum is σ = 102869284. Its totient is φ = 99550800.

The previous prime is 101209991. The next prime is 101210077. The reversal of 101210041 is 140012101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140012101 = 293477857.

It can be written as a sum of positive squares in 2 ways, for example, as 31136400 + 70073641 = 5580^2 + 8371^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210041 - 211 = 101207993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101210341) 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, 829530 + ... + 829651.

It is an arithmetic number, because the mean of its divisors is an integer number (25717321).

Almost surely, 2101210041 is an apocalyptic number.

It is an amenable number.

101210041 is a deficient number, since it is larger than the sum of its proper divisors (1659243).

101210041 is an equidigital number, since it uses as much as digits as its factorization.

101210041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659242.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101210041 is about 10060.3201241312. The cubic root of 101210041 is about 466.0235533049.

Adding to 101210041 its reverse (140012101), we get a palindrome (241222142).

The spelling of 101210041 in words is "one hundred one million, two hundred ten thousand, forty-one".

Divisors: 1 61 1659181 101210041