Base | Representation |
---|---|
bin | 10011001001011010100… |
… | …011010110111011100100 |
3 | 11122210020220201102102122 |
4 | 103021122203112323210 |
5 | 133024203434222410 |
6 | 2444243254525112 |
7 | 164030143521053 |
oct | 23113243267344 |
9 | 4583226642378 |
10 | 1315779210980 |
11 | 468023075a23 |
12 | 19300b966798 |
13 | 971011c7a80 |
14 | 4798108639a |
15 | 2435e356e55 |
hex | 1325a8d6ee4 |
1315779210980 has 96 divisors (see below), whose sum is σ = 3133366104960. Its totient is φ = 460099768320.
The previous prime is 1315779210937. The next prime is 1315779211007. The reversal of 1315779210980 is 890129775131.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14978747 + ... + 15066333.
It is an arithmetic number, because the mean of its divisors is an integer number (32639230260).
Almost surely, 21315779210980 is an apocalyptic number.
1315779210980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1315779210980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566683052480).
1315779210980 is an abundant number, since it is smaller than the sum of its proper divisors (1817586893980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315779210980 is a wasteful number, since it uses less digits than its factorization.
1315779210980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90669 (or 90667 counting only the distinct ones).
The product of its (nonzero) digits is 952560, while the sum is 53.
The spelling of 1315779210980 in words is "one trillion, three hundred fifteen billion, seven hundred seventy-nine million, two hundred ten thousand, nine hundred eighty".
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