Base | Representation |
---|---|
bin | 11011111100100001110… |
… | …110011011001010000000 |
3 | 20210120221020211102211011 |
4 | 123330201312123022000 |
5 | 222431004040441243 |
6 | 4030121124530304 |
7 | 255513520120441 |
oct | 33744166331200 |
9 | 6716836742734 |
10 | 1920418296448 |
11 | 680499077053 |
12 | 270234250994 |
13 | 10c12cca8a62 |
14 | 68d3d4bd2c8 |
15 | 34e4b5d889d |
hex | 1bf21d9b280 |
1920418296448 has 32 divisors (see below), whose sum is σ = 4050882348660. Its totient is φ = 903726256128.
The previous prime is 1920418296421. The next prime is 1920418296449. The reversal of 1920418296448 is 8446928140291.
It can be written as a sum of positive squares in 2 ways, for example, as 1853279267904 + 67139028544 = 1361352^2 + 259112^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 1920418296392 and 1920418296401.
It is not an unprimeable number, because it can be changed into a prime (1920418296449) 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, 441270411 + ... + 441274762.
Almost surely, 21920418296448 is an apocalyptic number.
It is an amenable number.
1920418296448 is an abundant number, since it is smaller than the sum of its proper divisors (2130464052212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1920418296448 is an equidigital number, since it uses as much as digits as its factorization.
1920418296448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 882545204 (or 882545192 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 58.
The spelling of 1920418296448 in words is "one trillion, nine hundred twenty billion, four hundred eighteen million, two hundred ninety-six thousand, four hundred forty-eight".
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