Base | Representation |
---|---|
bin | 100100001100001… |
… | …0100000111000100 |
3 | 10010121222112020101 |
4 | 1020120110013010 |
5 | 4441332132010 |
6 | 320255213444 |
7 | 42043443361 |
oct | 11030240704 |
9 | 3117875211 |
10 | 1214333380 |
11 | 573506707 |
12 | 29a817284 |
13 | 164772580 |
14 | b73c1468 |
15 | 7191c73a |
hex | 486141c4 |
1214333380 has 24 divisors (see below), whose sum is σ = 2746262232. Its totient is φ = 448369152.
The previous prime is 1214333363. The next prime is 1214333381. The reversal of 1214333380 is 833334121.
It can be written as a sum of positive squares in 4 ways, for example, as 137968516 + 1076364864 = 11746^2 + 32808^2 .
It is not an unprimeable number, because it can be changed into a prime (1214333381) 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, 2334997 + ... + 2335516.
It is an arithmetic number, because the mean of its divisors is an integer number (114427593).
Almost surely, 21214333380 is an apocalyptic number.
1214333380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1214333380 is an abundant number, since it is smaller than the sum of its proper divisors (1531928852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214333380 is a wasteful number, since it uses less digits than its factorization.
1214333380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4670535 (or 4670533 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 1214333380 is about 34847.2865514662. The cubic root of 1214333380 is about 1066.8728036937.
The spelling of 1214333380 in words is "one billion, two hundred fourteen million, three hundred thirty-three thousand, three hundred eighty".
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