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1011111212048 = 2479027778679
BaseRepresentation
bin11101011011010101110…
…11001011010000010000
310120122212002010110222012
432231222323023100100
5113031223432241143
62052255330202052
7133023164332160
oct16555273132020
93518762113865
101011111212048
1135a89aa12a73
12143b63123328
1374469261122
1436d1bdc65a0
151b47be72418
hexeb6aecb410

1011111212048 has 20 divisors (see below), whose sum is σ = 2238889112640. Its totient is φ = 433333376544.

The previous prime is 1011111212047. The next prime is 1011111212051. The reversal of 1011111212048 is 8402121111101.

1011111212048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1011111212047) 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, 4513889228 + ... + 4513889451.

It is an arithmetic number, because the mean of its divisors is an integer number (111944455632).

Almost surely, 21011111212048 is an apocalyptic number.

It is an amenable number.

1011111212048 is an abundant number, since it is smaller than the sum of its proper divisors (1227777900592).

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

1011111212048 is an equidigital number, since it uses as much as digits as its factorization.

1011111212048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027778694 (or 9027778688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 1011111212048 its reverse (8402121111101), we get a palindrome (9413232323149).

The spelling of 1011111212048 in words is "one trillion, eleven billion, one hundred eleven million, two hundred twelve thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 9027778679 18055557358 36111114716 63194450753 72222229432 126388901506 144444458864 252777803012 505555606024 1011111212048