Search a number
-
+
444730122272 = 251178892
BaseRepresentation
bin1100111100010111111…
…10110010000000100000
31120111221000012000102002
412132023332302000200
524241301402403042
6540150045543132
744062553444522
oct6361376620040
91514830160362
10444730122272
111616776182a7
1272237274aa8
1332c2666a207
141774ca5da12
15b87d7c8132
hex678bfb2020

444730122272 has 18 divisors (see below), whose sum is σ = 875569855293. Its totient is φ = 222363174912.

The previous prime is 444730122257. The next prime is 444730122289. The reversal of 444730122272 is 272221037444.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 421517771536 + 23212350736 = 649244^2 + 152356^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=471556.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3713504 + ... + 3831392.

Almost surely, 2444730122272 is an apocalyptic number.

It is an amenable number.

444730122272 is a deficient number, since it is larger than the sum of its proper divisors (430839733021).

444730122272 is an frugal number, since it uses more digits than its factorization.

444730122272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235788 (or 117891 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 444730122272 in words is "four hundred forty-four billion, seven hundred thirty million, one hundred twenty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 117889 235778 471556 943112 1886224 3772448 13897816321 27795632642 55591265284 111182530568 222365061136 444730122272