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1022550013 = 6311620523
BaseRepresentation
bin111100111100101…
…101111111111101
32122021002220220201
4330330231333331
54043233100023
6245244443501
734224350242
oct7474557775
92567086821
101022550013
11485225a61
12246549591
13133b041a4
1499b3b5c9
155eb87bad
hex3cf2dffd

1022550013 has 4 divisors (see below), whose sum is σ = 1024171168. Its totient is φ = 1020928860.

The previous prime is 1022549993. The next prime is 1022550073. The reversal of 1022550013 is 3100552201.

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 1022550013 - 25 = 1022549981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022550073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809631 + ... + 810892.

It is an arithmetic number, because the mean of its divisors is an integer number (256042792).

Almost surely, 21022550013 is an apocalyptic number.

It is an amenable number.

1022550013 is a deficient number, since it is larger than the sum of its proper divisors (1621155).

1022550013 is an equidigital number, since it uses as much as digits as its factorization.

1022550013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621154.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1022550013 is about 31977.3359271844. The cubic root of 1022550013 is about 1007.4608680132.

The spelling of 1022550013 in words is "one billion, twenty-two million, five hundred fifty thousand, thirteen".

Divisors: 1 631 1620523 1022550013