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101240011 = 853118687
BaseRepresentation
bin1100000100011…
…00110011001011
321001111112012001
412002030303023
5201404140021
614013531431
72336345245
oct602146313
9231445161
10101240011
1152169134
1229aa3b77
1317c89042
14d635095
158d4c091
hex608cccb

101240011 has 4 divisors (see below), whose sum is σ = 101359552. Its totient is φ = 101120472.

The previous prime is 101239979. The next prime is 101240023. The reversal of 101240011 is 110042101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110042101 = 138464777.

It is a cyclic number.

It is not a de Polignac number, because 101240011 - 25 = 101239979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101240011.

It is not an unprimeable number, because it can be changed into a prime (101241011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58491 + ... + 60196.

It is an arithmetic number, because the mean of its divisors is an integer number (25339888).

Almost surely, 2101240011 is an apocalyptic number.

101240011 is a deficient number, since it is larger than the sum of its proper divisors (119541).

101240011 is an equidigital number, since it uses as much as digits as its factorization.

101240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119540.

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

The square root of 101240011 is about 10061.8095291056. The cubic root of 101240011 is about 466.0695479097.

Adding to 101240011 its reverse (110042101), we get a palindrome (211282112).

The spelling of 101240011 in words is "one hundred one million, two hundred forty thousand, eleven".

Divisors: 1 853 118687 101240011