Base | Representation |
---|---|
bin | 100100001100000… |
… | …1111001111010110 |
3 | 10010121221111212111 |
4 | 1020120033033112 |
5 | 4441331012210 |
6 | 320254541234 |
7 | 42043331251 |
oct | 11030171726 |
9 | 3117844774 |
10 | 1214313430 |
11 | 5734a2720 |
12 | 29a80781a |
13 | 164766475 |
14 | b73b8098 |
15 | 7191688a |
hex | 4860f3d6 |
1214313430 has 32 divisors (see below), whose sum is σ = 2387721888. Its totient is φ = 440966400.
The previous prime is 1214313407. The next prime is 1214313449. The reversal of 1214313430 is 343134121.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77890 + ... + 92170.
It is an arithmetic number, because the mean of its divisors is an integer number (74616309).
Almost surely, 21214313430 is an apocalyptic number.
1214313430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1214313430 is a deficient number, since it is larger than the sum of its proper divisors (1173408458).
1214313430 is a wasteful number, since it uses less digits than its factorization.
1214313430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15072.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 1214313430 is about 34847.0003013172. Note that the first 3 decimals coincide. The cubic root of 1214313430 is about 1066.8669611935.
Adding to 1214313430 its reverse (343134121), we get a palindrome (1557447551).
The spelling of 1214313430 in words is "one billion, two hundred fourteen million, three hundred thirteen thousand, four hundred thirty".
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