Base | Representation |
---|---|
bin | 101001011101010… |
… | …1100101011100000 |
3 | 10120221122011121121 |
4 | 1102322230223200 |
5 | 10322111302242 |
6 | 350012302024 |
7 | 46321213510 |
oct | 12272545340 |
9 | 3527564547 |
10 | 1391119072 |
11 | 654283392 |
12 | 329a71914 |
13 | 19228c3a5 |
14 | d2a7d840 |
15 | 821dd667 |
hex | 52eacae0 |
1391119072 has 24 divisors (see below), whose sum is σ = 3130018416. Its totient is φ = 596193792.
The previous prime is 1391119063. The next prime is 1391119073. The reversal of 1391119072 is 2709111931.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1391119073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104953 + ... + 3105400.
It is an arithmetic number, because the mean of its divisors is an integer number (130417434).
Almost surely, 21391119072 is an apocalyptic number.
It is an amenable number.
1391119072 is an abundant number, since it is smaller than the sum of its proper divisors (1738899344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1391119072 is an equidigital number, since it uses as much as digits as its factorization.
1391119072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6210370 (or 6210362 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 34.
The square root of 1391119072 is about 37297.7086695684. The cubic root of 1391119072 is about 1116.3184473401.
The spelling of 1391119072 in words is "one billion, three hundred ninety-one million, one hundred nineteen thousand, seventy-two".
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