Search a number
-
+
545312526143 = 71110766186737
BaseRepresentation
bin1111110111101110010…
…10001100111100111111
31221010112202201112120112
413323313022030330333
532413300001314033
61054302455540235
754253231664510
oct7736712147477
91833482645515
10545312526143
111a02a1783010
128982808a67b
133c565a24318
141c5711a6a07
15e2b8c06c48
hex7ef728cf3f

545312526143 has 16 divisors (see below), whose sum is σ = 686224099584. Its totient is φ = 420947640960.

The previous prime is 545312526139. The next prime is 545312526167. The reversal of 545312526143 is 341625213545.

It is not a de Polignac number, because 545312526143 - 22 = 545312526139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545312526143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545312526743) 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, 33085130 + ... + 33101607.

It is an arithmetic number, because the mean of its divisors is an integer number (42889006224).

Almost surely, 2545312526143 is an apocalyptic number.

545312526143 is a deficient number, since it is larger than the sum of its proper divisors (140911573441).

545312526143 is a wasteful number, since it uses less digits than its factorization.

545312526143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66186862.

The product of its digits is 432000, while the sum is 41.

Adding to 545312526143 its reverse (341625213545), we get a palindrome (886937739688).

The spelling of 545312526143 in words is "five hundred forty-five billion, three hundred twelve million, five hundred twenty-six thousand, one hundred forty-three".

Divisors: 1 7 11 77 107 749 1177 8239 66186737 463307159 728054107 5096378749 7081980859 49573866013 77901789449 545312526143