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2011454652 = 223167621221
BaseRepresentation
bin111011111100100…
…0101110010111100
312012011220111001110
41313321011302330
513104413022102
6531332242020
7100563040164
oct16771056274
95164814043
102011454652
11942460719
12481770310
1326095806c
141511db5a4
15bb8c686c
hex77e45cbc

2011454652 has 12 divisors (see below), whose sum is σ = 4693394216. Its totient is φ = 670484880.

The previous prime is 2011454597. The next prime is 2011454681. The reversal of 2011454652 is 2564541102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20114546522 = 8091899634104882208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83810599 + ... + 83810622.

Almost surely, 22011454652 is an apocalyptic number.

It is an amenable number.

2011454652 is an abundant number, since it is smaller than the sum of its proper divisors (2681939564).

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

2011454652 is a wasteful number, since it uses less digits than its factorization.

2011454652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167621228 (or 167621226 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2011454652 is about 44849.2436056618. The cubic root of 2011454652 is about 1262.3217986170.

Adding to 2011454652 its reverse (2564541102), we get a palindrome (4575995754).

The spelling of 2011454652 in words is "two billion, eleven million, four hundred fifty-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 167621221 335242442 502863663 670484884 1005727326 2011454652