Base | Representation |
---|---|
bin | 1011101100000001… |
… | …0011010010110101 |
3 | 22002122121100222021 |
4 | 2323000103102311 |
5 | 22411134342141 |
6 | 1235153433141 |
7 | 140514421324 |
oct | 27300232265 |
9 | 8078540867 |
10 | 3137418421 |
11 | 136aa99995 |
12 | 73686b7b1 |
13 | 3accc9807 |
14 | 21a9780bb |
15 | 13568a6d1 |
hex | bb0134b5 |
3137418421 has 4 divisors (see below), whose sum is σ = 3144565600. Its totient is φ = 3130271244.
The previous prime is 3137418409. The next prime is 3137418451. The reversal of 3137418421 is 1248147313.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1248147313 = 7 ⋅178306759.
It is a cyclic number.
It is not a de Polignac number, because 3137418421 - 29 = 3137417909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3137418451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572931 + ... + 3573808.
It is an arithmetic number, because the mean of its divisors is an integer number (786141400).
Almost surely, 23137418421 is an apocalyptic number.
It is an amenable number.
3137418421 is a deficient number, since it is larger than the sum of its proper divisors (7147179).
3137418421 is an equidigital number, since it uses as much as digits as its factorization.
3137418421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7147178.
The product of its digits is 16128, while the sum is 34.
The square root of 3137418421 is about 56012.6630414945. The cubic root of 3137418421 is about 1463.9429325514.
The spelling of 3137418421 in words is "three billion, one hundred thirty-seven million, four hundred eighteen thousand, four hundred twenty-one".
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