Search a number
-
+
10509530260 = 225525476513
BaseRepresentation
bin10011100100110101…
…01011010010010100
31000010102112110020111
421302122223102110
5133010414432020
64454503412404
7521302350625
oct116232532224
930112473214
1010509530260
1145033a06a9
122053754104
13cb642b378
14719ab9a4c
154179a9d5a
hex2726ab494

10509530260 has 12 divisors (see below), whose sum is σ = 22070013588. Its totient is φ = 4203812096.

The previous prime is 10509530179. The next prime is 10509530261. The reversal of 10509530260 is 6203590501.

It can be written as a sum of positive squares in 2 ways, for example, as 3783234064 + 6726296196 = 61508^2 + 82014^2 .

It is a super-2 number, since 2×105095302602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10509530261) 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, 262738237 + ... + 262738276.

It is an arithmetic number, because the mean of its divisors is an integer number (1839167799).

Almost surely, 210509530260 is an apocalyptic number.

10509530260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10509530260 is an abundant number, since it is smaller than the sum of its proper divisors (11560483328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10509530260 is a wasteful number, since it uses less digits than its factorization.

10509530260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525476522 (or 525476520 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 10509530260 in words is "ten billion, five hundred nine million, five hundred thirty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 525476513 1050953026 2101906052 2627382565 5254765130 10509530260