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2011201453 = 3735391961
BaseRepresentation
bin111011111100000…
…0111111110101101
312012011102121201201
41313320013332231
513104331421303
6531323005501
7100560634042
oct16770077655
95164377651
102011201453
119422a8468
12481669891
13260899a41
141511731c9
15bb87681d
hex77e07fad

2011201453 has 4 divisors (see below), whose sum is σ = 2016593788. Its totient is φ = 2005809120.

The previous prime is 2011201429. The next prime is 2011201481. The reversal of 2011201453 is 3541021102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3541021102 = 21770510551.

It can be written as a sum of positive squares in 2 ways, for example, as 597215844 + 1413985609 = 24438^2 + 37603^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011201453 - 25 = 2011201421 is a prime.

It is a super-2 number, since 2×20112014532 = 8089862569098622418, which contains 22 as substring.

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 2011201453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011201403) 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, 2695608 + ... + 2696353.

It is an arithmetic number, because the mean of its divisors is an integer number (504148447).

Almost surely, 22011201453 is an apocalyptic number.

It is an amenable number.

2011201453 is a deficient number, since it is larger than the sum of its proper divisors (5392335).

2011201453 is an equidigital number, since it uses as much as digits as its factorization.

2011201453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392334.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2011201453 is about 44846.4207378917. The cubic root of 2011201453 is about 1262.2688299808.

Adding to 2011201453 its reverse (3541021102), we get a palindrome (5552222555).

The spelling of 2011201453 in words is "two billion, eleven million, two hundred one thousand, four hundred fifty-three".

Divisors: 1 373 5391961 2011201453