Base | Representation |
---|---|
bin | 1111111000101001010… |
… | …11001011000110000001 |
3 | 1221011211021111102010111 |
4 | 13330110223023012001 |
5 | 32420303233133140 |
6 | 1054423545231321 |
7 | 54301423655131 |
oct | 7742453130601 |
9 | 1834737442114 |
10 | 545807708545 |
11 | 1a0526249970 |
12 | 89945a92541 |
13 | 3c6144b0668 |
14 | 1c5bac66ac1 |
15 | e2e741c7ea |
hex | 7f14acb181 |
545807708545 has 16 divisors (see below), whose sum is σ = 714528236160. Its totient is φ = 396941990400.
The previous prime is 545807708539. The next prime is 545807708561.
545807708545 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 545807708545 - 25 = 545807708513 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 545807708545.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174385 + ... + 3341905.
It is an arithmetic number, because the mean of its divisors is an integer number (44658014760).
Almost surely, 2545807708545 is an apocalyptic number.
545807708545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
545807708545 is a deficient number, since it is larger than the sum of its proper divisors (168720527615).
545807708545 is a wasteful number, since it uses less digits than its factorization.
545807708545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226776.
The product of its (nonzero) digits is 31360000, while the sum is 58.
The spelling of 545807708545 in words is "five hundred forty-five billion, eight hundred seven million, seven hundred eight thousand, five hundred forty-five".
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