Base | Representation |
---|---|
bin | 10100110011111110011… |
… | …011000110111100011001 |
3 | 12001201120221012221101222 |
4 | 110303332123012330121 |
5 | 141413021100131330 |
6 | 3013005043221425 |
7 | 205220426353256 |
oct | 24637633067431 |
9 | 5051527187358 |
10 | 1430197661465 |
11 | 5015a8327301 |
12 | 1b1222377875 |
13 | a4b36c17a01 |
14 | 4d316dc842d |
15 | 273092d00e5 |
hex | 14cfe6c6f19 |
1430197661465 has 16 divisors (see below), whose sum is σ = 1727255654928. Its totient is φ = 1136813223936.
The previous prime is 1430197661371. The next prime is 1430197661479. The reversal of 1430197661465 is 5641667910341.
It can be written as a sum of positive squares in 8 ways, for example, as 78940207369 + 1351257454096 = 280963^2 + 1162436^2 .
It is a cyclic number.
It is not a de Polignac number, because 1430197661465 - 214 = 1430197645081 is a prime.
It is a Duffinian number.
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, 22759529 + ... + 22822281.
It is an arithmetic number, because the mean of its divisors is an integer number (107953478433).
Almost surely, 21430197661465 is an apocalyptic number.
It is an amenable number.
1430197661465 is a deficient number, since it is larger than the sum of its proper divisors (297057993463).
1430197661465 is a wasteful number, since it uses less digits than its factorization.
1430197661465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91948.
The product of its (nonzero) digits is 3265920, while the sum is 53.
The spelling of 1430197661465 in words is "one trillion, four hundred thirty billion, one hundred ninety-seven million, six hundred sixty-one thousand, four hundred sixty-five".
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