Base | Representation |
---|---|
bin | 1001000101011000010… |
… | …00110101011110010001 |
3 | 1002211122120110111101201 |
4 | 10202230020311132101 |
5 | 20103213131031031 |
6 | 355215531431201 |
7 | 31356523121221 |
oct | 4425410653621 |
9 | 1084576414351 |
10 | 312125642641 |
11 | 11040a87406a |
12 | 505aa2b5501 |
13 | 23583014797 |
14 | 1116d708081 |
15 | 81bbe9bd61 |
hex | 48ac235791 |
312125642641 has 8 divisors (see below), whose sum is σ = 312311476224. Its totient is φ = 311939859840.
The previous prime is 312125642617. The next prime is 312125642651. The reversal of 312125642641 is 146246521213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312125642641 - 229 = 311588771729 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 312125642641.
It is not an unprimeable number, because it can be changed into a prime (312125642651) 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 7 ways as a sum of consecutive naturals, for example, 24626736 + ... + 24639406.
It is an arithmetic number, because the mean of its divisors is an integer number (39038934528).
Almost surely, 2312125642641 is an apocalyptic number.
It is an amenable number.
312125642641 is a deficient number, since it is larger than the sum of its proper divisors (185833583).
312125642641 is a wasteful number, since it uses less digits than its factorization.
312125642641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25391.
The product of its digits is 69120, while the sum is 37.
The spelling of 312125642641 in words is "three hundred twelve billion, one hundred twenty-five million, six hundred forty-two thousand, six hundred forty-one".
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