Search a number
-
+
631326284848 = 2475636841829
BaseRepresentation
bin10010010111111011111…
…10101001110000110000
32020100120012210012122101
421023331332221300300
540320424012103343
61202005521150144
763416565610360
oct11137576516060
92210505705571
10631326284848
11223820258006
12a2431a8b354
13476c2a3152c
14227b08d29a0
1511650129e4d
hex92fdfa9c30

631326284848 has 20 divisors (see below), whose sum is σ = 1397936773840. Its totient is φ = 270568407744.

The previous prime is 631326284833. The next prime is 631326284891. The reversal of 631326284848 is 848482623136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2818420803 + ... + 2818421026.

It is an arithmetic number, because the mean of its divisors is an integer number (69896838692).

Almost surely, 2631326284848 is an apocalyptic number.

It is an amenable number.

631326284848 is an abundant number, since it is smaller than the sum of its proper divisors (766610488992).

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

631326284848 is a wasteful number, since it uses less digits than its factorization.

631326284848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636841844 (or 5636841838 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 55.

The spelling of 631326284848 in words is "six hundred thirty-one billion, three hundred twenty-six million, two hundred eighty-four thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 5636841829 11273683658 22547367316 39457892803 45094734632 78915785606 90189469264 157831571212 315663142424 631326284848