Base | Representation |
---|---|
bin | 10010000111111111100… |
… | …100111110001000110000 |
3 | 11102001221100220000212122 |
4 | 102013333210332020300 |
5 | 130401323024232240 |
6 | 2352105024013412 |
7 | 155662323321524 |
oct | 22077744761060 |
9 | 4361840800778 |
10 | 1245533430320 |
11 | 440256172243 |
12 | 181486761268 |
13 | 905b7b8739a |
14 | 443d9971d84 |
15 | 225ec3974b5 |
hex | 121ff93e230 |
1245533430320 has 80 divisors (see below), whose sum is σ = 2909193255072. Its totient is φ = 495921715200.
The previous prime is 1245533430263. The next prime is 1245533430367. The reversal of 1245533430320 is 230343355421.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74793995 + ... + 74810645.
Almost surely, 21245533430320 is an apocalyptic number.
1245533430320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1245533430320 is an abundant number, since it is smaller than the sum of its proper divisors (1663659824752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1245533430320 is a wasteful number, since it uses less digits than its factorization.
1245533430320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20910 (or 20904 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 35.
Adding to 1245533430320 its reverse (230343355421), we get a palindrome (1475876785741).
The spelling of 1245533430320 in words is "one trillion, two hundred forty-five billion, five hundred thirty-three million, four hundred thirty thousand, three hundred twenty".
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