Base | Representation |
---|---|
bin | 100100001011110… |
… | …0101111010001101 |
3 | 10010121121220122112 |
4 | 1020113211322031 |
5 | 4441310103031 |
6 | 320251153405 |
7 | 42042024560 |
oct | 11027457215 |
9 | 3117556575 |
10 | 1214144141 |
11 | 573397511 |
12 | 29a745865 |
13 | 1647073b2 |
14 | b73724d7 |
15 | 718d162b |
hex | 485e5e8d |
1214144141 has 8 divisors (see below), whose sum is σ = 1403184960. Its totient is φ = 1029001248.
The previous prime is 1214144123. The next prime is 1214144161. The reversal of 1214144141 is 1414414121.
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-1214144141 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214144161) 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, 973811 + ... + 975056.
It is an arithmetic number, because the mean of its divisors is an integer number (175398120).
Almost surely, 21214144141 is an apocalyptic number.
It is an amenable number.
1214144141 is a deficient number, since it is larger than the sum of its proper divisors (189040819).
1214144141 is an equidigital number, since it uses as much as digits as its factorization.
1214144141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1948963.
The product of its digits is 512, while the sum is 23.
The square root of 1214144141 is about 34844.5711840453. The cubic root of 1214144141 is about 1066.8173811235.
Adding to 1214144141 its reverse (1414414121), we get a palindrome (2628558262).
The spelling of 1214144141 in words is "one billion, two hundred fourteen million, one hundred forty-four thousand, one hundred forty-one".
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