Base | Representation |
---|---|
bin | 110011001011001110… |
… | …101111000111011101 |
3 | 12020211111200212222020 |
4 | 303023032233013131 |
5 | 1400014001323110 |
6 | 41124321010353 |
7 | 3653456610435 |
oct | 631316570735 |
9 | 166744625866 |
10 | 54949245405 |
11 | 2133846440a |
12 | a7964839b9 |
13 | 524923a8c2 |
14 | 2933b7d2c5 |
15 | 1669122d70 |
hex | ccb3af1dd |
54949245405 has 32 divisors (see below), whose sum is σ = 88523300736. Its totient is φ = 29105028864.
The previous prime is 54949245359. The next prime is 54949245409. The reversal of 54949245405 is 50454294945.
It is not a de Polignac number, because 54949245405 - 26 = 54949245341 is a prime.
It is a super-2 number, since 2×549492454052 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54949245409) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3642859 + ... + 3657911.
It is an arithmetic number, because the mean of its divisors is an integer number (2766353148).
Almost surely, 254949245405 is an apocalyptic number.
It is an amenable number.
54949245405 is a deficient number, since it is larger than the sum of its proper divisors (33574055331).
54949245405 is a wasteful number, since it uses less digits than its factorization.
54949245405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16717.
The product of its (nonzero) digits is 5184000, while the sum is 51.
The spelling of 54949245405 in words is "fifty-four billion, nine hundred forty-nine million, two hundred forty-five thousand, four hundred five".
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