Base | Representation |
---|---|
bin | 100011100001010101100101… |
… | …1111111110100100111011011 |
3 | 1111222021110110011110021001002 |
4 | 1013002223023333310213123 |
5 | 311423100043013422001 |
6 | 3024303145323415215 |
7 | 122545262115240140 |
oct | 10702531377644733 |
9 | 1458243404407032 |
10 | 312445113420251 |
11 | 9061125710a009 |
12 | 2b061b5838450b |
13 | 105455a89a5c36 |
14 | 57225d1d2c3c7 |
15 | 261c633a1c46b |
hex | 11c2acbff49db |
312445113420251 has 8 divisors (see below), whose sum is σ = 357370674897120. Its totient is φ = 267592188261888.
The previous prime is 312445113420239. The next prime is 312445113420283. The reversal of 312445113420251 is 152024311544213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312445113420251 - 214 = 312445113403867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312445113420551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159070406 + ... + 18159087611.
It is an arithmetic number, because the mean of its divisors is an integer number (44671334362140).
Almost surely, 2312445113420251 is an apocalyptic number.
312445113420251 is a deficient number, since it is larger than the sum of its proper divisors (44925561476869).
312445113420251 is a wasteful number, since it uses less digits than its factorization.
312445113420251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36318159253.
The product of its (nonzero) digits is 115200, while the sum is 38.
Adding to 312445113420251 its reverse (152024311544213), we get a palindrome (464469424964464).
The spelling of 312445113420251 in words is "three hundred twelve trillion, four hundred forty-five billion, one hundred thirteen million, four hundred twenty thousand, two hundred fifty-one".
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