Base | Representation |
---|---|
bin | 1011010001010000100… |
… | …01001010000110001011 |
3 | 1101000111012201101102110 |
4 | 11220220101022012023 |
5 | 22321012444034313 |
6 | 453515421033403 |
7 | 36655511105403 |
oct | 5505021120613 |
9 | 1330435641373 |
10 | 387222643083 |
11 | 13a2470a5aa1 |
12 | 630680b5863 |
13 | 2a690421113 |
14 | 14a55231803 |
15 | a114cc4ec3 |
hex | 5a2844a18b |
387222643083 has 18 divisors (see below), whose sum is σ = 518567294196. Its totient is φ = 257018168448.
The previous prime is 387222643063. The next prime is 387222643099. The reversal of 387222643083 is 380346222783.
It is not a de Polignac number, because 387222643083 - 26 = 387222643019 is a prime.
It is not an unprimeable number, because it can be changed into a prime (387222643013) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 298551891 + ... + 298553187.
It is an arithmetic number, because the mean of its divisors is an integer number (28809294122).
Almost surely, 2387222643083 is an apocalyptic number.
387222643083 is a deficient number, since it is larger than the sum of its proper divisors (131344651113).
387222643083 is an frugal number, since it uses more digits than its factorization.
387222643083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3151 (or 1577 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 48.
Multiplying 387222643083 by its sum of digits (48), we get a square (18586686867984 = 43112282).
The spelling of 387222643083 in words is "three hundred eighty-seven billion, two hundred twenty-two million, six hundred forty-three thousand, eighty-three".
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