Search a number
-
+
10913997025 = 521729885517
BaseRepresentation
bin10100010101000011…
…00110000011100001
31001011121121111100001
422022201212003201
5134322440401100
65002552500001
7534313305211
oct121241460341
931147544301
1010913997025
1146a0737558
1221470aa601
13104c174b09
147576c4241
1543d251d6a
hex28a8660e1

10913997025 has 24 divisors (see below), whose sum is σ = 14823571320. Its totient is φ = 7934223360.

The previous prime is 10913996993. The next prime is 10913997047. The reversal of 10913997025 is 52079931901.

10913997025 = 738712 + 738722.

It can be written as a sum of positive squares in 12 ways, for example, as 1478656 + 10912518369 = 1216^2 + 104463^2 .

It is not a de Polignac number, because 10913997025 - 25 = 10913996993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430434 + ... + 455083.

It is an arithmetic number, because the mean of its divisors is an integer number (617648805).

Almost surely, 210913997025 is an apocalyptic number.

10913997025 is the 73872-nd centered square number.

It is an amenable number.

10913997025 is a deficient number, since it is larger than the sum of its proper divisors (3909574295).

10913997025 is a wasteful number, since it uses less digits than its factorization.

10913997025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885573 (or 885568 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The spelling of 10913997025 in words is "ten billion, nine hundred thirteen million, nine hundred ninety-seven thousand, twenty-five".

Divisors: 1 5 17 25 29 85 145 425 493 725 2465 12325 885517 4427585 15053789 22137925 25679993 75268945 128399965 376344725 436559881 641999825 2182799405 10913997025