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2011031454 = 23694748247
BaseRepresentation
bin111011111011101…
…1110011110011110
312012011002222112110
41313313132132132
513104311001304
6531315214450
7100556325315
oct16767363636
95164088473
102011031454
119421a1773
124815a7426
1326083a553
1415112b27c
15bb841289
hex77dde79e

2011031454 has 16 divisors (see below), whose sum is σ = 4022725248. Its totient is φ = 670233432.

The previous prime is 2011031453. The next prime is 2011031471. The reversal of 2011031454 is 4541301102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011031454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011031453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17559 + ... + 65805.

It is an arithmetic number, because the mean of its divisors is an integer number (251420328).

Almost surely, 22011031454 is an apocalyptic number.

2011031454 is an abundant number, since it is smaller than the sum of its proper divisors (2011693794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011031454 is a wasteful number, since it uses less digits than its factorization.

2011031454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55199.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2011031454 is about 44844.5253514852. The cubic root of 2011031454 is about 1262.2332640948.

Adding to 2011031454 its reverse (4541301102), we get a palindrome (6552332556).

The spelling of 2011031454 in words is "two billion, eleven million, thirty-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 6947 13894 20841 41682 48247 96494 144741 289482 335171909 670343818 1005515727 2011031454