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11895705852 = 223991308821
BaseRepresentation
bin10110001010000101…
…00001000011111100
31010201000212110200020
423011002201003330
5143330300041402
65244222132140
7600533555112
oct130502410374
933630773606
1011895705852
1150548a7968
12237ba21050
131177679604
1480bc2dab2
1549951d8bc
hex2c50a10fc

11895705852 has 12 divisors (see below), whose sum is σ = 27756647016. Its totient is φ = 3965235280.

The previous prime is 11895705841. The next prime is 11895705853. The reversal of 11895705852 is 25850759811.

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

It is a junction number, because it is equal to n+sod(n) for n = 11895705795 and 11895705804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11895705853) 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, 495654399 + ... + 495654422.

It is an arithmetic number, because the mean of its divisors is an integer number (2313053918).

Almost surely, 211895705852 is an apocalyptic number.

11895705852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11895705852 is an abundant number, since it is smaller than the sum of its proper divisors (15860941164).

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

11895705852 is a wasteful number, since it uses less digits than its factorization.

11895705852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991308828 (or 991308826 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 51.

The spelling of 11895705852 in words is "eleven billion, eight hundred ninety-five million, seven hundred five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 991308821 1982617642 2973926463 3965235284 5947852926 11895705852