Search a number
-
+
13451500225 = 5211314931957
BaseRepresentation
bin11001000011100010…
…11001101011000001
31021201110101000100001
430201301121223001
5210022041001400
610102440200001
7654224602552
oct144161315301
937643330301
1013451500225
115783026239
122734a69001
131364aa54b7
149186d8329
1553add9a6a
hex321c59ac1

13451500225 has 24 divisors (see below), whose sum is σ = 16940935800. Its totient is φ = 10594053120.

The previous prime is 13451500199. The next prime is 13451500277. The reversal of 13451500225 is 52200515431.

It can be written as a sum of positive squares in 12 ways, for example, as 8481673216 + 4969827009 = 92096^2 + 70497^2 .

It is not a de Polignac number, because 13451500225 - 221 = 13449403073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13451500193 and 13451500202.

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, 404947 + ... + 436903.

It is an arithmetic number, because the mean of its divisors is an integer number (705872325).

Almost surely, 213451500225 is an apocalyptic number.

It is an amenable number.

13451500225 is a deficient number, since it is larger than the sum of its proper divisors (3489435575).

13451500225 is a wasteful number, since it uses less digits than its factorization.

13451500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32229 (or 32224 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 13451500225 in words is "thirteen billion, four hundred fifty-one million, five hundred thousand, two hundred twenty-five".

Divisors: 1 5 25 113 149 565 745 2825 3725 16837 31957 84185 159785 420925 798925 3611141 4761593 18055705 23807965 90278525 119039825 538060009 2690300045 13451500225