Base | Representation |
---|---|
bin | 100100001100010… |
… | …1001010110111011 |
3 | 10010122010221121202 |
4 | 1020120221112323 |
5 | 4441342423121 |
6 | 320301124415 |
7 | 42044255201 |
oct | 11030512673 |
9 | 3118127552 |
10 | 1214420411 |
11 | 573566036 |
12 | 29a85970b |
13 | 1647a3079 |
14 | b7405071 |
15 | 7193840b |
hex | 486295bb |
1214420411 has 4 divisors (see below), whose sum is σ = 1214709024. Its totient is φ = 1214131800.
The previous prime is 1214420407. The next prime is 1214420419. The reversal of 1214420411 is 1140244121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1140244121 = 3371 ⋅338251.
It is a cyclic number.
It is not a de Polignac number, because 1214420411 - 22 = 1214420407 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1214420419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137900 + ... + 146441.
It is an arithmetic number, because the mean of its divisors is an integer number (303677256).
Almost surely, 21214420411 is an apocalyptic number.
1214420411 is a deficient number, since it is larger than the sum of its proper divisors (288613).
1214420411 is an equidigital number, since it uses as much as digits as its factorization.
1214420411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288612.
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 1214420411 is about 34848.5352776842. The cubic root of 1214420411 is about 1066.8982905961.
Adding to 1214420411 its reverse (1140244121), we get a palindrome (2354664532).
The spelling of 1214420411 in words is "one billion, two hundred fourteen million, four hundred twenty thousand, four hundred eleven".
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