Base | Representation |
---|---|
bin | 1001000101100011101… |
… | …01110010100000010001 |
3 | 1002211220020111001111212 |
4 | 10202301311302200101 |
5 | 20103412124004131 |
6 | 355233230145505 |
7 | 31362064241531 |
oct | 4426165624021 |
9 | 1084806431455 |
10 | 312221313041 |
11 | 110459878710 |
12 | 50616352295 |
13 | 23599aa06a1 |
14 | 1117c2cd4c1 |
15 | 81c5598a2b |
hex | 48b1d72811 |
312221313041 has 8 divisors (see below), whose sum is σ = 346188759168. Its totient is φ = 279184482000.
The previous prime is 312221313011. The next prime is 312221313071. The reversal of 312221313041 is 140313122213.
It is an interprime number because it is at equal distance from previous prime (312221313011) and next prime (312221313071).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312221313041 is a prime.
It is a super-2 number, since 2×3122213130412 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312221312998 and 312221313016.
It is not an unprimeable number, because it can be changed into a prime (312221313011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232653065 + ... + 232654406.
It is an arithmetic number, because the mean of its divisors is an integer number (43273594896).
Almost surely, 2312221313041 is an apocalyptic number.
It is an amenable number.
312221313041 is a deficient number, since it is larger than the sum of its proper divisors (33967446127).
312221313041 is a wasteful number, since it uses less digits than its factorization.
312221313041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465307543.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 312221313041 its reverse (140313122213), we get a palindrome (452534435254).
The spelling of 312221313041 in words is "three hundred twelve billion, two hundred twenty-one million, three hundred thirteen thousand, forty-one".
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