Base | Representation |
---|---|
bin | 101010111010110… |
… | …1100111111000111 |
3 | 10201100212202102000 |
4 | 1111311230333013 |
5 | 10422134010010 |
6 | 354523120343 |
7 | 50454666360 |
oct | 12565547707 |
9 | 3640782360 |
10 | 1440141255 |
11 | 679a16493 |
12 | 3423730b3 |
13 | 19c4946b7 |
14 | d93a0b67 |
15 | 866737c0 |
hex | 55d6cfc7 |
1440141255 has 64 divisors (see below), whose sum is σ = 2934451200. Its totient is φ = 656449920.
The previous prime is 1440141229. The next prime is 1440141317. The reversal of 1440141255 is 5521410441.
1440141255 is a `hidden beast` number, since 1 + 4 + 401 + 4 + 1 + 255 = 666.
It is not a de Polignac number, because 1440141255 - 221 = 1438044103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 356145 + ... + 360165.
It is an arithmetic number, because the mean of its divisors is an integer number (45850800).
Almost surely, 21440141255 is an apocalyptic number.
1440141255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1440141255 is an abundant number, since it is smaller than the sum of its proper divisors (1494309945).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440141255 is a wasteful number, since it uses less digits than its factorization.
1440141255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4421 (or 4415 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 1440141255 is about 37949.1930744252. The cubic root of 1440141255 is about 1129.2801573511.
Adding to 1440141255 its reverse (5521410441), we get a palindrome (6961551696).
The spelling of 1440141255 in words is "one billion, four hundred forty million, one hundred forty-one thousand, two hundred fifty-five".
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