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22000320013 = 73142902859
BaseRepresentation
bin10100011111010100…
…100011111000001101
32002210020111001110011
4110133110203320031
5330024040220023
614035023113221
71406121430450
oct243724437015
962706431404
1022000320013
11936a675061
12431ba42811
1320c7c34849
1410c9c25497
1588b69350d
hex51f523e0d

22000320013 has 4 divisors (see below), whose sum is σ = 25143222880. Its totient is φ = 18857417148.

The previous prime is 22000319993. The next prime is 22000320029. The reversal of 22000320013 is 31002300022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31002300022 = 215501150011.

It is a cyclic number.

It is not a de Polignac number, because 22000320013 - 29 = 22000319501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000319975 and 22000320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000350013) 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, 1571451423 + ... + 1571451436.

It is an arithmetic number, because the mean of its divisors is an integer number (6285805720).

Almost surely, 222000320013 is an apocalyptic number.

It is an amenable number.

22000320013 is a deficient number, since it is larger than the sum of its proper divisors (3142902867).

22000320013 is an equidigital number, since it uses as much as digits as its factorization.

22000320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142902866.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22000320013 its reverse (31002300022), we get a palindrome (53002620035).

The spelling of 22000320013 in words is "twenty-two billion, three hundred twenty thousand, thirteen".

Divisors: 1 7 3142902859 22000320013