Base | Representation |
---|---|
bin | 111100110011110… |
… | …111111010110000 |
3 | 2122002202010022002 |
4 | 330303313322300 |
5 | 4042134400334 |
6 | 245123033132 |
7 | 34165552256 |
oct | 7463677260 |
9 | 2562663262 |
10 | 1020231344 |
11 | 483991a00 |
12 | 24580b7a8 |
13 | 1334a19b2 |
14 | 996d65d6 |
15 | 5e87ab7e |
hex | 3ccf7eb0 |
1020231344 has 120 divisors (see below), whose sum is σ = 2263823856. Its totient is φ = 444787200.
The previous prime is 1020231323. The next prime is 1020231347. The reversal of 1020231344 is 4431320201.
It is not an unprimeable number, because it can be changed into a prime (1020231347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6259007 + ... + 6259169.
Almost surely, 21020231344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1020231344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131911928).
1020231344 is an abundant number, since it is smaller than the sum of its proper divisors (1243592512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020231344 is a wasteful number, since it uses less digits than its factorization.
1020231344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1020231344 is about 31941.0604708109. The cubic root of 1020231344 is about 1006.6988071158.
Adding to 1020231344 its reverse (4431320201), we get a palindrome (5451551545).
The spelling of 1020231344 in words is "one billion, twenty million, two hundred thirty-one thousand, three hundred forty-four".
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