| Base | Representation |
|---|---|
| bin | 100110101000010… |
| … | …0100111011101110 |
| 3 | 10100100000100002000 |
| 4 | 1031100210323232 |
| 5 | 10123311104324 |
| 6 | 332341513130 |
| 7 | 44056305063 |
| oct | 11520447356 |
| 9 | 3310010060 |
| 10 | 1296191214 |
| 11 | 60573670a |
| 12 | 3021127a6 |
| 13 | 178703466 |
| 14 | c420cc6a |
| 15 | 78bdb9c9 |
| hex | 4d424eee |
1296191214 has 64 divisors (see below), whose sum is σ = 3107522880. Its totient is φ = 398960640.
The previous prime is 1296191213. The next prime is 1296191227. The reversal of 1296191214 is 4121916921.
It is a happy number.
1296191214 is a `hidden beast` number, since 1 + 29 + 619 + 1 + 2 + 14 = 666.
1296191214 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×12961912143 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1296191213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35334 + ... + 61974.
It is an arithmetic number, because the mean of its divisors is an integer number (48555045).
Almost surely, 21296191214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1296191214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553761440).
1296191214 is an abundant number, since it is smaller than the sum of its proper divisors (1811331666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1296191214 is a wasteful number, since it uses less digits than its factorization.
1296191214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26722 (or 26716 counting only the distinct ones).
The product of its digits is 7776, while the sum is 36.
The square root of 1296191214 is about 36002.6556520488. The cubic root of 1296191214 is about 1090.3259732626.
It can be divided in two parts, 1296 and 191214, that added together give a triangular number (192510 = T620).
The spelling of 1296191214 in words is "one billion, two hundred ninety-six million, one hundred ninety-one thousand, two hundred fourteen".
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