Search a number
-
+
580172804981 = 71112759328439
BaseRepresentation
bin10000111000101001111…
…11100111001101110101
32001110112020111012002222
420130110333213031311
534001143214224411
61122305552412125
756626136321510
oct10342477471565
92043466435088
10580172804981
11204060472510
1294536847045
1342930007853
142011ad01d77
15101593884db
hex8714fe7375

580172804981 has 16 divisors (see below), whose sum is σ = 729027870720. Its totient is φ = 448522991280.

The previous prime is 580172804977. The next prime is 580172804993. The reversal of 580172804981 is 189408271085.

It is not a de Polignac number, because 580172804981 - 22 = 580172804977 is a prime.

It is a super-2 number, since 2×5801728049812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580172804381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29654441 + ... + 29673998.

It is an arithmetic number, because the mean of its divisors is an integer number (45564241920).

Almost surely, 2580172804981 is an apocalyptic number.

It is an amenable number.

580172804981 is a deficient number, since it is larger than the sum of its proper divisors (148855065739).

580172804981 is a wasteful number, since it uses less digits than its factorization.

580172804981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59328584.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 580172804981 in words is "five hundred eighty billion, one hundred seventy-two million, eight hundred four thousand, nine hundred eighty-one".

Divisors: 1 7 11 77 127 889 1397 9779 59328439 415299073 652612829 4568289803 7534711753 52742982271 82881829283 580172804981