Base | Representation |
---|---|
bin | 1111110111111001010… |
… | …11111011100110100011 |
3 | 1221010210020012121100111 |
4 | 13323330223323212203 |
5 | 32413442221112201 |
6 | 1054320011232151 |
7 | 54255436111330 |
oct | 7737453734643 |
9 | 1833706177314 |
10 | 545405254051 |
11 | 1a033a057949 |
12 | 89853148657 |
13 | 3c57bcbcac8 |
14 | 1c57d623987 |
15 | e2c1e21b51 |
hex | 7efcafb9a3 |
545405254051 has 16 divisors (see below), whose sum is σ = 660150660096. Its totient is φ = 439881146496.
The previous prime is 545405254039. The next prime is 545405254061. The reversal of 545405254051 is 150452504545.
It is a cyclic number.
It is not a de Polignac number, because 545405254051 - 25 = 545405254019 is a prime.
It is a super-2 number, since 2×5454052540512 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 545405253995 and 545405254013.
It is not an unprimeable number, because it can be changed into a prime (545405254061) 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, 89851 + ... + 1048276.
It is an arithmetic number, because the mean of its divisors is an integer number (41259416256).
Almost surely, 2545405254051 is an apocalyptic number.
545405254051 is a deficient number, since it is larger than the sum of its proper divisors (114745406045).
545405254051 is a wasteful number, since it uses less digits than its factorization.
545405254051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1142178.
The product of its (nonzero) digits is 400000, while the sum is 40.
Adding to 545405254051 its reverse (150452504545), we get a palindrome (695857758596).
The spelling of 545405254051 in words is "five hundred forty-five billion, four hundred five million, two hundred fifty-four thousand, fifty-one".
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