Base | Representation |
---|---|
bin | 1011101010010101… |
… | …0001000001100000 |
3 | 22002011021022011210 |
4 | 2322211101001200 |
5 | 22402331044412 |
6 | 1234341510120 |
7 | 140400243060 |
oct | 27245210140 |
9 | 8064238153 |
10 | 3130331232 |
11 | 1366a99206 |
12 | 734412340 |
13 | 3ab6b7a02 |
14 | 219a513a0 |
15 | 134c3a83c |
hex | ba951060 |
3130331232 has 96 divisors (see below), whose sum is σ = 9488005632. Its totient is φ = 885141504.
The previous prime is 3130331231. The next prime is 3130331287. The reversal of 3130331232 is 2321330313.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 3130331199 and 3130331208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3130331231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41173 + ... + 89195.
It is an arithmetic number, because the mean of its divisors is an integer number (98833392).
Almost surely, 23130331232 is an apocalyptic number.
3130331232 is a gapful number since it is divisible by the number (32) 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 3130331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4744002816).
3130331232 is an abundant number, since it is smaller than the sum of its proper divisors (6357674400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3130331232 is a wasteful number, since it uses less digits than its factorization.
3130331232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48140 (or 48132 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
The square root of 3130331232 is about 55949.3631062946. The cubic root of 3130331232 is about 1462.8397896734.
Adding to 3130331232 its reverse (2321330313), we get a palindrome (5451661545).
The spelling of 3130331232 in words is "three billion, one hundred thirty million, three hundred thirty-one thousand, two hundred thirty-two".
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