Base | Representation |
---|---|
bin | 1011101001100100… |
… | …0110000101001000 |
3 | 22001221021012120012 |
4 | 2322121012011020 |
5 | 22401022000210 |
6 | 1234145251052 |
7 | 140331154136 |
oct | 27231060510 |
9 | 8057235505 |
10 | 3127140680 |
11 | 136520a094 |
12 | 733333a88 |
13 | 3aab3b701 |
14 | 219460756 |
15 | 13480a305 |
hex | ba646148 |
3127140680 has 32 divisors (see below), whose sum is σ = 7038741240. Its totient is φ = 1250380800.
The previous prime is 3127140641. The next prime is 3127140683. The reversal of 3127140680 is 860417213.
It can be written as a sum of positive squares in 4 ways, for example, as 3027420484 + 99720196 = 55022^2 + 9986^2 .
It is not an unprimeable number, because it can be changed into a prime (3127140683) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 103280 + ... + 130080.
Almost surely, 23127140680 is an apocalyptic number.
It is an amenable number.
3127140680 is an abundant number, since it is smaller than the sum of its proper divisors (3911600560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3127140680 is a wasteful number, since it uses less digits than its factorization.
3127140680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29729 (or 29725 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 3127140680 is about 55920.8429836318. The cubic root of 3127140680 is about 1462.3426268436.
Adding to 3127140680 its reverse (860417213), we get a palindrome (3987557893).
The spelling of 3127140680 in words is "three billion, one hundred twenty-seven million, one hundred forty thousand, six hundred eighty".
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