Base | Representation |
---|---|
bin | 100100001100001… |
… | …1011000100111000 |
3 | 10010122000222101010 |
4 | 1020120123010320 |
5 | 4441334040122 |
6 | 320255553520 |
7 | 42043622511 |
oct | 11030330470 |
9 | 3118028333 |
10 | 1214361912 |
11 | 573526095 |
12 | 29a82b8a0 |
13 | 16478255a |
14 | b73cba08 |
15 | 71925e0c |
hex | 4861b138 |
1214361912 has 32 divisors (see below), whose sum is σ = 3167902080. Its totient is φ = 387187680.
The previous prime is 1214361871. The next prime is 1214361913. The reversal of 1214361912 is 2191634121.
It is a self number, because there is not a number n which added to its sum of digits gives 1214361912.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214361913) 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, 1099414 + ... + 1100517.
It is an arithmetic number, because the mean of its divisors is an integer number (98996940).
Almost surely, 21214361912 is an apocalyptic number.
1214361912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1214361912 is an abundant number, since it is smaller than the sum of its proper divisors (1953540168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214361912 is a wasteful number, since it uses less digits than its factorization.
1214361912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2199963 (or 2199959 counting only the distinct ones).
The product of its digits is 2592, while the sum is 30.
The square root of 1214361912 is about 34847.6959353126. The cubic root of 1214361912 is about 1066.8811593828.
The spelling of 1214361912 in words is "one billion, two hundred fourteen million, three hundred sixty-one thousand, nine hundred twelve".
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