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13322200021 = 131024784617
BaseRepresentation
bin11000110100001000…
…01010001111010101
31021101110001212210121
430122010022033111
5204240440400041
610041540551541
7651064555204
oct143204121725
937343055717
1013322200021
115717042069
1226b96b25b1
1313440733c0
1490547b23b
1552e8987d1
hex31a10a3d5

13322200021 has 4 divisors (see below), whose sum is σ = 14346984652. Its totient is φ = 12297415392.

The previous prime is 13322200019. The next prime is 13322200033. The reversal of 13322200021 is 12000222331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3603000625 + 9719199396 = 60025^2 + 98586^2 .

It is a cyclic number.

It is not a de Polignac number, because 13322200021 - 21 = 13322200019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13322199968 and 13322200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322200321) 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, 512392296 + ... + 512392321.

It is an arithmetic number, because the mean of its divisors is an integer number (3586746163).

Almost surely, 213322200021 is an apocalyptic number.

It is an amenable number.

13322200021 is a deficient number, since it is larger than the sum of its proper divisors (1024784631).

13322200021 is a wasteful number, since it uses less digits than its factorization.

13322200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024784630.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13322200021 its reverse (12000222331), we get a palindrome (25322422352).

The spelling of 13322200021 in words is "thirteen billion, three hundred twenty-two million, two hundred thousand, twenty-one".

Divisors: 1 13 1024784617 13322200021