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1012220020013 = 1795654860447
BaseRepresentation
bin11101011101011010000…
…00111100010100101101
310120202201100112202112212
432232231000330110231
5113041011311120023
62053001335540205
7133062520131356
oct16565500742455
93522640482485
101012220020013
113603098a3894
1214421252a665
13745b4ba6c07
1436dc5378d2d
151b4e4497e78
hexebad03c52d

1012220020013 has 4 divisors (see below), whose sum is σ = 1017874880640. Its totient is φ = 1006565159388.

The previous prime is 1012220019971. The next prime is 1012220020051. The reversal of 1012220020013 is 3100200222101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012220020013 - 218 = 1012219757869 is a prime.

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 1012220020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012220029013) 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, 2827430045 + ... + 2827430402.

It is an arithmetic number, because the mean of its divisors is an integer number (254468720160).

Almost surely, 21012220020013 is an apocalyptic number.

It is an amenable number.

1012220020013 is a deficient number, since it is larger than the sum of its proper divisors (5654860627).

1012220020013 is an equidigital number, since it uses as much as digits as its factorization.

1012220020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654860626.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1012220020013 its reverse (3100200222101), we get a palindrome (4112420242114).

The spelling of 1012220020013 in words is "one trillion, twelve billion, two hundred twenty million, twenty thousand, thirteen".

Divisors: 1 179 5654860447 1012220020013