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1000122321311 = 1758830724783
BaseRepresentation
bin11101000110110111110…
…11111000100110011111
310112121111020120222202222
432203123323320212133
5112341222303240221
62043241100135555
7132153651315641
oct16433373704637
93477436528688
101000122321311
11356170a82793
121419b6b375bb
1373407726209
14365987a8891
151b0373799ab
hexe8dbef899f

1000122321311 has 4 divisors (see below), whose sum is σ = 1058953046112. Its totient is φ = 941291596512.

The previous prime is 1000122321307. The next prime is 1000122321323. The reversal of 1000122321311 is 1131232210001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000122321311 - 22 = 1000122321307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 58830724783 = 1000122321311 / (1 + 0 + 0 + 0 + 1 + 2 + 2 + 3 + 2 + 1 + 3 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000122321311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000122321911) 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, 29415362375 + ... + 29415362408.

It is an arithmetic number, because the mean of its divisors is an integer number (264738261528).

Almost surely, 21000122321311 is an apocalyptic number.

1000122321311 is a deficient number, since it is larger than the sum of its proper divisors (58830724801).

1000122321311 is an equidigital number, since it uses as much as digits as its factorization.

1000122321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58830724800.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1000122321311 its reverse (1131232210001), we get a palindrome (2131354531312).

The spelling of 1000122321311 in words is "one trillion, one hundred twenty-two million, three hundred twenty-one thousand, three hundred eleven".

Divisors: 1 17 58830724783 1000122321311