Search a number
-
+
13213304425 = 5219138120143
BaseRepresentation
bin11000100111001001…
…10000011001101001
31021002212011102010101
430103210300121221
5204030101220200
610023050545401
7645303143266
oct142344603151
937085142111
1013213304425
115670625202
122689138261
131327636939
148d4c1226d
1552503826a
hex313930669

13213304425 has 24 divisors (see below), whose sum is σ = 17260184960. Its totient is φ = 10006545600.

The previous prime is 13213304399. The next prime is 13213304449. The reversal of 13213304425 is 52440331231.

It is a happy number.

It is not a de Polignac number, because 13213304425 - 25 = 13213304393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13213304393 and 13213304402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645904 + ... + 666046.

Almost surely, 213213304425 is an apocalyptic number.

It is an amenable number.

13213304425 is a deficient number, since it is larger than the sum of its proper divisors (4046880535).

13213304425 is a wasteful number, since it uses less digits than its factorization.

13213304425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21553 (or 21548 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13213304425 its reverse (52440331231), we get a palindrome (65653635656).

The spelling of 13213304425 in words is "thirteen billion, two hundred thirteen million, three hundred four thousand, four hundred twenty-five".

Divisors: 1 5 19 25 95 475 1381 6905 20143 26239 34525 100715 131195 382717 503575 655975 1913585 9567925 27817483 139087415 528532177 695437075 2642660885 13213304425