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4011012881 = 29251551039
BaseRepresentation
bin1110111100010011…
…0011001100010001
3101100112102120021122
43233010303030101
531203304403011
61502001532025
7201253022051
oct35704631421
911315376248
104011012881
111779126387
1293b344015
134bbca9305
142a09bd561
151871ed3db
hexef133311

4011012881 has 8 divisors (see below), whose sum is σ = 4165862400. Its totient is φ = 3857266000.

The previous prime is 4011012877. The next prime is 4011012893. The reversal of 4011012881 is 1882101104.

4011012881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4011012881 - 22 = 4011012877 is a prime.

It is a super-2 number, since 2×40110128812 = 32176448663095840322, which contains 22 as substring.

It is a Duffinian number.

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 4011012881.

It is not an unprimeable number, because it can be changed into a prime (4011012851) 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, 268241 + ... + 282798.

It is an arithmetic number, because the mean of its divisors is an integer number (520732800).

Almost surely, 24011012881 is an apocalyptic number.

It is an amenable number.

4011012881 is a deficient number, since it is larger than the sum of its proper divisors (154849519).

4011012881 is a wasteful number, since it uses less digits than its factorization.

4011012881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551319.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 4011012881 is about 63332.5578277082. The cubic root of 4011012881 is about 1588.8565385996.

Adding to 4011012881 its reverse (1882101104), we get a palindrome (5893113985).

The spelling of 4011012881 in words is "four billion, eleven million, twelve thousand, eight hundred eighty-one".

Divisors: 1 29 251 7279 551039 15980131 138310789 4011012881