Search a number
-
+
427273686875 = 54797662557
BaseRepresentation
bin1100011011110110111…
…11110000111101011011
31111211212102211012211202
412031323133300331123
524000024030440000
6524141541544415
742604145262050
oct6157337607533
91454772735752
10427273686875
11155229947a92
126a98511510b
13313a3c35bb9
14169744c9027
15b1aaee0dd5
hex637b7f0f5b

427273686875 has 20 divisors (see below), whose sum is σ = 610195662384. Its totient is φ = 292987668000.

The previous prime is 427273686859. The next prime is 427273686893. The reversal of 427273686875 is 578686372724.

It is not a de Polignac number, because 427273686875 - 24 = 427273686859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48826904 + ... + 48835653.

Almost surely, 2427273686875 is an apocalyptic number.

427273686875 is a deficient number, since it is larger than the sum of its proper divisors (182921975509).

427273686875 is an frugal number, since it uses more digits than its factorization.

427273686875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97662584 (or 97662569 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 65.

The spelling of 427273686875 in words is "four hundred twenty-seven billion, two hundred seventy-three million, six hundred eighty-six thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 35 125 175 625 875 4375 97662557 488312785 683637899 2441563925 3418189495 12207819625 17090947475 61039098125 85454737375 427273686875