Base | Representation |
---|---|
bin | 1011010010101100… |
… | …1100000010111111 |
3 | 21211020202221200210 |
4 | 2310223030002333 |
5 | 22201443023130 |
6 | 1220441323503 |
7 | 135054643206 |
oct | 26453140277 |
9 | 7736687623 |
10 | 3031220415 |
11 | 1316054843 |
12 | 707196593 |
13 | 393cc5b62 |
14 | 20a81223d |
15 | 12b1ae5b0 |
hex | b4acc0bf |
3031220415 has 32 divisors (see below), whose sum is σ = 4911088896. Its totient is φ = 1596349440.
The previous prime is 3031220407. The next prime is 3031220417. The reversal of 3031220415 is 5140221303.
It is not a de Polignac number, because 3031220415 - 23 = 3031220407 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3031220391 and 3031220400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031220417) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 712284 + ... + 716526.
It is an arithmetic number, because the mean of its divisors is an integer number (153471528).
Almost surely, 23031220415 is an apocalyptic number.
3031220415 is a deficient number, since it is larger than the sum of its proper divisors (1879868481).
3031220415 is a wasteful number, since it uses less digits than its factorization.
3031220415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4839.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 3031220415 is about 55056.5201860779. The cubic root of 3031220415 is about 1447.2353846458.
Adding to 3031220415 its reverse (5140221303), we get a palindrome (8171441718).
It can be divided in two parts, 3031 and 220415, that added together give a triangular number (223446 = T668).
The spelling of 3031220415 in words is "three billion, thirty-one million, two hundred twenty thousand, four hundred fifteen".
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