Base | Representation |
---|---|
bin | 100110101001101… |
… | …1011011111011000 |
3 | 10100101102022210121 |
4 | 1031103123133120 |
5 | 10124004021333 |
6 | 332405523024 |
7 | 44065541113 |
oct | 11523333730 |
9 | 3311368717 |
10 | 1296938968 |
11 | 6060a7496 |
12 | 302413474 |
13 | 178905910 |
14 | c436557a |
15 | 78cd832d |
hex | 4d4db7d8 |
1296938968 has 32 divisors (see below), whose sum is σ = 2642018400. Its totient is φ = 593284608.
The previous prime is 1296938941. The next prime is 1296938969. The reversal of 1296938968 is 8698396921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1296938969) 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, 43428 + ... + 66931.
It is an arithmetic number, because the mean of its divisors is an integer number (82563075).
Almost surely, 21296938968 is an apocalyptic number.
It is an amenable number.
1296938968 is an abundant number, since it is smaller than the sum of its proper divisors (1345079432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1296938968 is a wasteful number, since it uses less digits than its factorization.
1296938968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110491 (or 110487 counting only the distinct ones).
The product of its digits is 10077696, while the sum is 61.
The square root of 1296938968 is about 36013.0388609459. The cubic root of 1296938968 is about 1090.5355973962.
The spelling of 1296938968 in words is "one billion, two hundred ninety-six million, nine hundred thirty-eight thousand, nine hundred sixty-eight".
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