Base | Representation |
---|---|
bin | 1001001011001000001… |
… | …11111001010110101101 |
3 | 1010010121200202020010201 |
4 | 10211210013321112231 |
5 | 20131023333413031 |
6 | 400450115433501 |
7 | 31526154140665 |
oct | 4454407712655 |
9 | 1103550666121 |
10 | 315212404141 |
11 | 111754203728 |
12 | 5110bbb5891 |
13 | 23955685b8b |
14 | 113836571a5 |
15 | 82ece7cd61 |
hex | 49641f95ad |
315212404141 has 2 divisors, whose sum is σ = 315212404142. Its totient is φ = 315212404140.
The previous prime is 315212404069. The next prime is 315212404153. The reversal of 315212404141 is 141404212513.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 239282397225 + 75930006916 = 489165^2 + 275554^2 .
It is a cyclic number.
It is not a de Polignac number, because 315212404141 - 227 = 315078186413 is a prime.
It is a super-2 number, since 2×3152124041412 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (315212404181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157606202070 + 157606202071.
It is an arithmetic number, because the mean of its divisors is an integer number (157606202071).
Almost surely, 2315212404141 is an apocalyptic number.
It is an amenable number.
315212404141 is a deficient number, since it is larger than the sum of its proper divisors (1).
315212404141 is an equidigital number, since it uses as much as digits as its factorization.
315212404141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3840, while the sum is 28.
Adding to 315212404141 its reverse (141404212513), we get a palindrome (456616616654).
The spelling of 315212404141 in words is "three hundred fifteen billion, two hundred twelve million, four hundred four thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •