Search a number
-
+
545281182545 = 51144922080631
BaseRepresentation
bin1111110111101010100…
…10101000101101010001
31221010110120202010020112
413323311102220231101
532413213440320140
61054255420051105
754252401401661
oct7736522505521
91833416663215
10545281182545
111a0286015110
1289819693a95
133c55c39b908
141c56ad681a1
15e2b60b4c65
hex7ef54a8b51

545281182545 has 16 divisors (see below), whose sum is σ = 715412476800. Its totient is φ = 395684889600.

The previous prime is 545281182539. The next prime is 545281182553.

545281182545 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-545281182545 is a prime.

It is a super-2 number, since 2×5452811825452 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545281182493 and 545281182502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11015621 + ... + 11065010.

It is an arithmetic number, because the mean of its divisors is an integer number (44713279800).

Almost surely, 2545281182545 is an apocalyptic number.

545281182545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545281182545 is a deficient number, since it is larger than the sum of its proper divisors (170131294255).

545281182545 is a wasteful number, since it uses less digits than its factorization.

545281182545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22081096.

The product of its digits is 2560000, while the sum is 50.

The spelling of 545281182545 in words is "five hundred forty-five billion, two hundred eighty-one million, one hundred eighty-two thousand, five hundred forty-five".

Divisors: 1 5 11 55 449 2245 4939 24695 22080631 110403155 242886941 1214434705 9914203319 49571016595 109056236509 545281182545