Base | Representation |
---|---|
bin | 11011101001101101010… |
… | …001011011101000101001 |
3 | 20201122202211011020000111 |
4 | 123221231101123220221 |
5 | 222113111430043032 |
6 | 4012535513534321 |
7 | 254166642364240 |
oct | 33515521335051 |
9 | 6648684136014 |
10 | 1900208831017 |
11 | 67296838a602 |
12 | 2683341143a1 |
13 | 10a25c0b16a3 |
14 | 67d8346d957 |
15 | 34667293c47 |
hex | 1ba6d45ba29 |
1900208831017 has 8 divisors (see below), whose sum is σ = 2180117304576. Its totient is φ = 1622412874752.
The previous prime is 1900208830991. The next prime is 1900208831039. The reversal of 1900208831017 is 7101388020091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1900208831017 - 239 = 1350453017129 is a prime.
It is a super-2 number, since 2×19002088310172 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1900208831057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528127393 + ... + 528130990.
It is an arithmetic number, because the mean of its divisors is an integer number (272514663072).
Almost surely, 21900208831017 is an apocalyptic number.
It is an amenable number.
1900208831017 is a deficient number, since it is larger than the sum of its proper divisors (279908473559).
1900208831017 is a wasteful number, since it uses less digits than its factorization.
1900208831017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1056258647.
The product of its (nonzero) digits is 24192, while the sum is 40.
The spelling of 1900208831017 in words is "one trillion, nine hundred billion, two hundred eight million, eight hundred thirty-one thousand, seventeen".
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