Base | Representation |
---|---|
bin | 1110110101000000000… |
… | …0000000001010100101 |
3 | 220100112122010110012210 |
4 | 3231100000000022211 |
5 | 13133204240422141 |
6 | 313010042434033 |
7 | 24255552612156 |
oct | 3552000001245 |
9 | 810478113183 |
10 | 254745248421 |
11 | 99045062664 |
12 | 41455802919 |
13 | 1b03a2033b1 |
14 | c488b1b92d |
15 | 695e6ed916 |
hex | 3b500002a5 |
254745248421 has 16 divisors (see below), whose sum is σ = 359878474368. Its totient is φ = 159734323200.
The previous prime is 254745248411. The next prime is 254745248423. The reversal of 254745248421 is 124842547452.
It is not a de Polignac number, because 254745248421 - 26 = 254745248357 is a prime.
It is a super-3 number, since 3×2547452484213 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254745248423) 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, 1575820 + ... + 1729941.
It is an arithmetic number, because the mean of its divisors is an integer number (22492404648).
Almost surely, 2254745248421 is an apocalyptic number.
It is an amenable number.
254745248421 is a deficient number, since it is larger than the sum of its proper divisors (105133225947).
254745248421 is a wasteful number, since it uses less digits than its factorization.
254745248421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3307292.
The product of its digits is 2867200, while the sum is 48.
The spelling of 254745248421 in words is "two hundred fifty-four billion, seven hundred forty-five million, two hundred forty-eight thousand, four hundred twenty-one".
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