Base | Representation |
---|---|
bin | 10010111000001101101… |
… | …110110111111111001010 |
3 | 11121000120210121110121000 |
4 | 102320031232313333022 |
5 | 132223342442441041 |
6 | 2431550510355430 |
7 | 162504364301562 |
oct | 22701556677712 |
9 | 4530523543530 |
10 | 1297310515146 |
11 | 460205a68438 |
12 | 18b5167bbb76 |
13 | 95449b52b99 |
14 | 46b0c2d1da2 |
15 | 23b2cc6abb6 |
hex | 12e0dbb7fca |
1297310515146 has 32 divisors (see below), whose sum is σ = 2900175223680. Its totient is φ = 429847393248.
The previous prime is 1297310515141. The next prime is 1297310515187. The reversal of 1297310515146 is 6415150137921.
1297310515146 is a `hidden beast` number, since 1 + 2 + 9 + 73 + 10 + 51 + 514 + 6 = 666.
It is not an unprimeable number, because it can be changed into a prime (1297310515141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71919931 + ... + 71937966.
It is an arithmetic number, because the mean of its divisors is an integer number (90630475740).
Almost surely, 21297310515146 is an apocalyptic number.
1297310515146 is an abundant number, since it is smaller than the sum of its proper divisors (1602864708534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297310515146 is a wasteful number, since it uses less digits than its factorization.
1297310515146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143858075 (or 143858069 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 45.
The spelling of 1297310515146 in words is "one trillion, two hundred ninety-seven billion, three hundred ten million, five hundred fifteen thousand, one hundred forty-six".
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