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2011240421101 = 29281246808249
BaseRepresentation
bin11101010001000111010…
…001010101011011101101
321010021100210200101221201
4131101013101111123231
5230423010021433401
64135541234125501
7265210261336042
oct35210721253355
97107323611851
102011240421101
11705a6486a5aa
12285960420891
13117875229412
146d4b76651c9
15374b4c0cb01
hex1d4474556ed

2011240421101 has 8 divisors (see below), whose sum is σ = 2087997795000. Its totient is φ = 1934976664320.

The previous prime is 2011240421093. The next prime is 2011240421119. The reversal of 2011240421101 is 1011240421102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 652847840100 + 1358392581001 = 807990^2 + 1165501^2 .

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 2011240421101 - 23 = 2011240421093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011240422101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123395976 + ... + 123412273.

It is an arithmetic number, because the mean of its divisors is an integer number (260999724375).

Almost surely, 22011240421101 is an apocalyptic number.

It is an amenable number.

2011240421101 is a deficient number, since it is larger than the sum of its proper divisors (76757373899).

2011240421101 is a wasteful number, since it uses less digits than its factorization.

2011240421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246808559.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2011240421101 its reverse (1011240421102), we get a palindrome (3022480842203).

Subtracting from 2011240421101 its reverse (1011240421102), we obtain a palindrome (999999999999).

The spelling of 2011240421101 in words is "two trillion, eleven billion, two hundred forty million, four hundred twenty-one thousand, one hundred one".

Divisors: 1 29 281 8149 246808249 7157439221 69353117969 2011240421101