Search a number
-
+
810044531960 = 23520251113299
BaseRepresentation
bin10111100100110100110…
…10101010010011111000
32212102212101200211110212
423302122122222103320
5101232432400010320
61420043533330252
7112344441625526
oct13623232522370
92772771624425
10810044531960
112925a1025284
12110baa336988
135b504c59401
142b2c639b316
15161100499c5
hexbc9a6aa4f8

810044531960 has 16 divisors (see below), whose sum is σ = 1822600197000. Its totient is φ = 324017812768.

The previous prime is 810044531939. The next prime is 810044531969. The reversal of 810044531960 is 69135440018.

It is a super-2 number, since 2×8100445319602 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810044531969) 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, 10125556610 + ... + 10125556689.

Almost surely, 2810044531960 is an apocalyptic number.

It is an amenable number.

810044531960 is an abundant number, since it is smaller than the sum of its proper divisors (1012555665040).

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

810044531960 is a wasteful number, since it uses less digits than its factorization.

810044531960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251113310 (or 20251113306 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

Adding to 810044531960 its reverse (69135440018), we get a palindrome (879179971978).

The spelling of 810044531960 in words is "eight hundred ten billion, forty-four million, five hundred thirty-one thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 20251113299 40502226598 81004453196 101255566495 162008906392 202511132990 405022265980 810044531960