Base | Representation |
---|---|
bin | 1011010010101100… |
… | …1001110100101110 |
3 | 21211020202111012120 |
4 | 2310223021310232 |
5 | 22201442230220 |
6 | 1220441213410 |
7 | 135054604521 |
oct | 26453116456 |
9 | 7736674176 |
10 | 3031211310 |
11 | 1316048a16 |
12 | 707191266 |
13 | 393cc197a |
14 | 20a80cbb8 |
15 | 12b1aba40 |
hex | b4ac9d2e |
3031211310 has 128 divisors (see below), whose sum is σ = 7780921344. Its totient is φ = 754375680.
The previous prime is 3031211291. The next prime is 3031211357. The reversal of 3031211310 is 131121303.
It is a super-2 number, since 2×30312113102 = 18376484011743832200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 3031211310.
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 63 ways as a sum of consecutive naturals, for example, 4713849 + ... + 4714491.
It is an arithmetic number, because the mean of its divisors is an integer number (60788448).
Almost surely, 23031211310 is an apocalyptic number.
3031211310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3031211310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3890460672).
3031211310 is an abundant number, since it is smaller than the sum of its proper divisors (4749710034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3031211310 is a wasteful number, since it uses less digits than its factorization.
3031211310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 3031211310 is about 55056.4374982617. The cubic root of 3031211310 is about 1447.2339356045.
Adding to 3031211310 its reverse (131121303), we get a palindrome (3162332613).
The spelling of 3031211310 in words is "three billion, thirty-one million, two hundred eleven thousand, three hundred ten".
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