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13022331425 = 52809643873
BaseRepresentation
bin11000010000011000…
…10000001000100001
31020121112210222102022
430020030100020201
5203132204101200
65552105431225
7640463663555
oct141014201041
936545728368
1013022331425
115582848384
12263519b515
1312c6bc036c
148b76dd865
155133b3885
hex308310221

13022331425 has 12 divisors (see below), whose sum is σ = 16167676140. Its totient is φ = 10404971520.

The previous prime is 13022331403. The next prime is 13022331457. The reversal of 13022331425 is 52413322031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 224160784 + 12798170641 = 14972^2 + 113129^2 .

It is not a de Polignac number, because 13022331425 - 224 = 13005554209 is a prime.

It is a super-2 number, since 2×130223314252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13022331394 and 13022331403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301712 + ... + 342161.

It is an arithmetic number, because the mean of its divisors is an integer number (1347306345).

Almost surely, 213022331425 is an apocalyptic number.

It is an amenable number.

13022331425 is a deficient number, since it is larger than the sum of its proper divisors (3145344715).

13022331425 is an equidigital number, since it uses as much as digits as its factorization.

13022331425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644692 (or 644687 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13022331425 its reverse (52413322031), we get a palindrome (65435653456).

The spelling of 13022331425 in words is "thirteen billion, twenty-two million, three hundred thirty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 809 4045 20225 643873 3219365 16096825 520893257 2604466285 13022331425