Base | Representation |
---|---|
bin | 100111000110110… |
… | …1110010011111110 |
3 | 10101110011201000002 |
4 | 1032031232103332 |
5 | 10141412023124 |
6 | 334113234302 |
7 | 44342455331 |
oct | 11615562376 |
9 | 3343151002 |
10 | 1312220414 |
11 | 61379468a |
12 | 307562992 |
13 | 17bb263ab |
14 | c63c2618 |
15 | 7a3060ae |
hex | 4e36e4fe |
1312220414 has 8 divisors (see below), whose sum is σ = 1968665688. Its totient is φ = 655998520.
The previous prime is 1312220407. The next prime is 1312220419. The reversal of 1312220414 is 4140222131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312220419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40292 + ... + 65175.
It is an arithmetic number, because the mean of its divisors is an integer number (246083211).
Almost surely, 21312220414 is an apocalyptic number.
1312220414 is a deficient number, since it is larger than the sum of its proper divisors (656445274).
1312220414 is a wasteful number, since it uses less digits than its factorization.
1312220414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111690.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1312220414 is about 36224.5830065717. The cubic root of 1312220414 is about 1094.8020364518.
Adding to 1312220414 its reverse (4140222131), we get a palindrome (5452442545).
The spelling of 1312220414 in words is "one billion, three hundred twelve million, two hundred twenty thousand, four hundred fourteen".
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