Base | Representation |
---|---|
bin | 110010110010110101… |
… | …100110110011000001 |
3 | 12012202222122022001100 |
4 | 302302311212303001 |
5 | 1343144220121140 |
6 | 41015541325013 |
7 | 3640360250415 |
oct | 626265466301 |
9 | 165688568040 |
10 | 54540004545 |
11 | 21148457724 |
12 | a6a1406769 |
13 | 51b2512150 |
14 | 28d5690d45 |
15 | 1643236530 |
hex | cb2d66cc1 |
54540004545 has 144 divisors (see below), whose sum is σ = 108554623632. Its totient is φ = 25175577600.
The previous prime is 54540004543. The next prime is 54540004567.
54540004545 is nontrivially palindromic in base 10.
54540004545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 4210704 + 54535793841 = 2052^2 + 233529^2 .
It is not a de Polignac number, because 54540004545 - 21 = 54540004543 is a prime.
It is a super-2 number, since 2×545400045452 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (54540004543) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21328407 + ... + 21330963.
It is an arithmetic number, because the mean of its divisors is an integer number (753851553).
Almost surely, 254540004545 is an apocalyptic number.
It is an amenable number.
54540004545 is a deficient number, since it is larger than the sum of its proper divisors (54014619087).
54540004545 is a wasteful number, since it uses less digits than its factorization.
54540004545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2720 (or 2698 counting only the distinct ones).
The product of its (nonzero) digits is 160000, while the sum is 36.
It can be divided in two parts, 5454000 and 4545, that added together give a palindrome (5458545).
The spelling of 54540004545 in words is "fifty-four billion, five hundred forty million, four thousand, five hundred forty-five".
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