Search a number
-
+
55072830962 = 21659412
BaseRepresentation
bin110011010010100110…
…001011010111110010
312021011010020200111002
4303102212023113302
51400242121042322
641144453522002
73656520224252
oct632246132762
9167133220432
1055072830962
11213a11a5036
12a80b943302
135268a1b856
14294634d962
151674dd5c92
hexcd298b5f2

55072830962 has 6 divisors (see below), whose sum is σ = 82609744269. Its totient is φ = 27536249540.

The previous prime is 55072830959. The next prime is 55072830983. The reversal of 55072830962 is 26903827055.

It can be written as a sum of positive squares in 2 ways, for example, as 49404397441 + 5668433521 = 222271^2 + 75289^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=165941.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 248912 + ... + 414852.

Almost surely, 255072830962 is an apocalyptic number.

55072830962 is a deficient number, since it is larger than the sum of its proper divisors (27536913307).

55072830962 is an frugal number, since it uses more digits than its factorization.

55072830962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331884 (or 165943 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 55072830962 in words is "fifty-five billion, seventy-two million, eight hundred thirty thousand, nine hundred sixty-two".

Divisors: 1 2 165941 331882 27536415481 55072830962