Search a number
-
+
55831315257673 = 432803862353719
BaseRepresentation
bin11001011000111001111011…
…01101101001100101001001
321022200102101100121001020221
430230130331231221211021
524304220013201221143
6314424315132550041
714521452016322524
oct1454347555514511
9238612340531227
1055831315257673
1116875a22a4198a
126318596622321
13251cb41476677
14db03702d3bbb
1566c4799a32ed
hex32c73db69949

55831315257673 has 16 divisors (see below), whose sum is σ = 57157791201280. Its totient is φ = 54506120843664.

The previous prime is 55831315257643. The next prime is 55831315257691. The reversal of 55831315257673 is 37675251313855.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55831315257673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55831315257643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039294708 + ... + 1039348426.

It is an arithmetic number, because the mean of its divisors is an integer number (3572361950080).

Almost surely, 255831315257673 is an apocalyptic number.

It is an amenable number.

55831315257673 is a deficient number, since it is larger than the sum of its proper divisors (1326475943607).

55831315257673 is a wasteful number, since it uses less digits than its factorization.

55831315257673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65188.

The product of its digits is 79380000, while the sum is 61.

The spelling of 55831315257673 in words is "fifty-five trillion, eight hundred thirty-one billion, three hundred fifteen million, two hundred fifty-seven thousand, six hundred seventy-three".

Divisors: 1 43 2803 8623 53719 120529 370789 2309917 24170269 150574357 463218937 1039321567 6474697351 19918414291 1298402680411 55831315257673