Base | Representation |
---|---|
bin | 111100111111010… |
… | …100010000110110 |
3 | 2122022101112002120 |
4 | 330333110100312 |
5 | 4043421343110 |
6 | 245311220410 |
7 | 34233214563 |
oct | 7477242066 |
9 | 2568345076 |
10 | 1023231030 |
11 | 485650688 |
12 | 246817706 |
13 | 133cb2163 |
14 | 99c7786a |
15 | 5ec6e870 |
hex | 3cfd4436 |
1023231030 has 16 divisors (see below), whose sum is σ = 2455754544. Its totient is φ = 272861600.
The previous prime is 1023231029. The next prime is 1023231047. The reversal of 1023231030 is 301323201.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 17053821 + ... + 17053880.
It is an arithmetic number, because the mean of its divisors is an integer number (153484659).
Almost surely, 21023231030 is an apocalyptic number.
1023231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1023231030 is an abundant number, since it is smaller than the sum of its proper divisors (1432523514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023231030 is a wasteful number, since it uses less digits than its factorization.
1023231030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34107711.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1023231030 is about 31987.9825872155. The cubic root of 1023231030 is about 1007.6844742630.
Adding to 1023231030 its reverse (301323201), we get a palindrome (1324554231).
The spelling of 1023231030 in words is "one billion, twenty-three million, two hundred thirty-one thousand, thirty".
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