Base | Representation |
---|---|
bin | 111100001110000… |
… | …010001010010110 |
3 | 2121102002011021200 |
4 | 330032002022112 |
5 | 4032114434310 |
6 | 244130253330 |
7 | 34015336353 |
oct | 7416021226 |
9 | 2542064250 |
10 | 1010311830 |
11 | 479327260 |
12 | 242427246 |
13 | 13140a968 |
14 | 9827362a |
15 | 5da6b9c0 |
hex | 3c382296 |
1010311830 has 48 divisors (see below), whose sum is σ = 2865614544. Its totient is φ = 244923840.
The previous prime is 1010311763. The next prime is 1010311847. The reversal of 1010311830 is 381130101.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509269 + ... + 511248.
It is an arithmetic number, because the mean of its divisors is an integer number (59700303).
Almost surely, 21010311830 is an apocalyptic number.
1010311830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1010311830 is an abundant number, since it is smaller than the sum of its proper divisors (1855302714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1010311830 is a wasteful number, since it uses less digits than its factorization.
1010311830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1020541 (or 1020538 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 1010311830 is about 31785.4027817802. The cubic root of 1010311830 is about 1003.4255290189.
Adding to 1010311830 its reverse (381130101), we get a palindrome (1391441931).
The spelling of 1010311830 in words is "one billion, ten million, three hundred eleven thousand, eight hundred thirty".
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