Base | Representation |
---|---|
bin | 11001001001011101100… |
… | …111110011100010111110 |
3 | 20010012122120112110202020 |
4 | 121021131213303202332 |
5 | 211303221234200310 |
6 | 3401522223541010 |
7 | 235566051652314 |
oct | 31113547634276 |
9 | 6105576473666 |
10 | 1728147568830 |
11 | 6069a3282671 |
12 | 23ab1515a766 |
13 | c6c6b0b0947 |
14 | 5d8ddb520b4 |
15 | 2ee469d4170 |
hex | 1925d9f38be |
1728147568830 has 32 divisors (see below), whose sum is σ = 4147611609600. Its totient is φ = 460832968992.
The previous prime is 1728147568811. The next prime is 1728147568841. The reversal of 1728147568830 is 388657418271.
It is a congruent 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, 2049591 + ... + 2767149.
It is an arithmetic number, because the mean of its divisors is an integer number (129612862800).
Almost surely, 21728147568830 is an apocalyptic number.
1728147568830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1728147568830 is an abundant number, since it is smaller than the sum of its proper divisors (2419464040770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1728147568830 is a wasteful number, since it uses less digits than its factorization.
1728147568830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 797848.
The product of its (nonzero) digits is 18063360, while the sum is 60.
The spelling of 1728147568830 in words is "one trillion, seven hundred twenty-eight billion, one hundred forty-seven million, five hundred sixty-eight thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •