Base | Representation |
---|---|
bin | 101001010011000… |
… | …0100010100000000 |
3 | 10120120110101221000 |
4 | 1102212010110000 |
5 | 10314220221343 |
6 | 345300332000 |
7 | 46224230214 |
oct | 12246042400 |
9 | 3516411830 |
10 | 1385710848 |
11 | 65121a085 |
12 | 3280a4000 |
13 | 191117862 |
14 | d2072944 |
15 | 819c0ed3 |
hex | 52984500 |
1385710848 has 144 divisors (see below), whose sum is σ = 4116125440. Its totient is φ = 459841536.
The previous prime is 1385710801. The next prime is 1385710873. The reversal of 1385710848 is 8480175831.
It is a happy number.
1385710848 is a `hidden beast` number, since 1 + 38 + 571 + 0 + 8 + 48 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992665 + ... + 2993127.
Almost surely, 21385710848 is an apocalyptic number.
1385710848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1385710848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058062720).
1385710848 is an abundant number, since it is smaller than the sum of its proper divisors (2730414592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385710848 is an equidigital number, since it uses as much as digits as its factorization.
1385710848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 921 (or 901 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 45.
The square root of 1385710848 is about 37225.1373133801. The cubic root of 1385710848 is about 1114.8699394502.
The spelling of 1385710848 in words is "one billion, three hundred eighty-five million, seven hundred ten thousand, eight hundred forty-eight".
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