Base | Representation |
---|---|
bin | 100100001100000… |
… | …1110101101011100 |
3 | 10010121221101220010 |
4 | 1020120032231130 |
5 | 4441330430020 |
6 | 320254523220 |
7 | 42043322031 |
oct | 11030165534 |
9 | 3117841803 |
10 | 1214311260 |
11 | 5734a1028 |
12 | 29a806510 |
13 | 164765496 |
14 | b73b7388 |
15 | 71915de0 |
hex | 4860eb5c |
1214311260 has 48 divisors (see below), whose sum is σ = 3422916000. Its totient is φ = 321640704.
The previous prime is 1214311247. The next prime is 1214311277. The reversal of 1214311260 is 621134121.
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, 58975 + ... + 76854.
It is an arithmetic number, because the mean of its divisors is an integer number (71310750).
Almost surely, 21214311260 is an apocalyptic number.
1214311260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1214311260 is an abundant number, since it is smaller than the sum of its proper divisors (2208604740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214311260 is a wasteful number, since it uses less digits than its factorization.
1214311260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135990 (or 135988 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 1214311260 is about 34846.9691651943. The cubic root of 1214311260 is about 1066.8663256897.
Adding to 1214311260 its reverse (621134121), we get a palindrome (1835445381).
The spelling of 1214311260 in words is "one billion, two hundred fourteen million, three hundred eleven thousand, two hundred sixty".
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