Base | Representation |
---|---|
bin | 101010110111000… |
… | …0101110010101110 |
3 | 10201020010101000221 |
4 | 1111232011302232 |
5 | 10421131130320 |
6 | 354412241554 |
7 | 50432015431 |
oct | 12556056256 |
9 | 3636111027 |
10 | 1438145710 |
11 | 678883181 |
12 | 3417702ba |
13 | 19bc462c1 |
14 | d9001818 |
15 | 863cc3aa |
hex | 55b85cae |
1438145710 has 16 divisors (see below), whose sum is σ = 2593456992. Its totient is φ = 574192800.
The previous prime is 1438145693. The next prime is 1438145729. The reversal of 1438145710 is 175418341.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127506 + ... + 138325.
It is an arithmetic number, because the mean of its divisors is an integer number (162091062).
Almost surely, 21438145710 is an apocalyptic number.
1438145710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1438145710 is a deficient number, since it is larger than the sum of its proper divisors (1155311282).
1438145710 is a wasteful number, since it uses less digits than its factorization.
1438145710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266379.
The product of its (nonzero) digits is 13440, while the sum is 34.
The square root of 1438145710 is about 37922.8916355280. The cubic root of 1438145710 is about 1128.7583170941.
The spelling of 1438145710 in words is "one billion, four hundred thirty-eight million, one hundred forty-five thousand, seven hundred ten".
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