Base | Representation |
---|---|
bin | 11110010101000100001… |
… | …11000101011010101011 |
3 | 10200121211212111002122012 |
4 | 33022202013011122223 |
5 | 114033211033224234 |
6 | 2114422431150135 |
7 | 135201153405500 |
oct | 17124207053253 |
9 | 3617755432565 |
10 | 1042101851819 |
11 | 371a53367356 |
12 | 149b7197534b |
13 | 77367936ab2 |
14 | 3861bc234a7 |
15 | 1c192a2e0ce |
hex | f2a21c56ab |
1042101851819 has 24 divisors (see below), whose sum is σ = 1227845185200. Its totient is φ = 881764773120.
The previous prime is 1042101851797. The next prime is 1042101851849. The reversal of 1042101851819 is 9181581012401.
1042101851819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-1042101851819 is a prime.
It is a super-2 number, since 2×10421018518192 (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 (1042101851849) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2506439 + ... + 2892479.
It is an arithmetic number, because the mean of its divisors is an integer number (51160216050).
Almost surely, 21042101851819 is an apocalyptic number.
1042101851819 is a deficient number, since it is larger than the sum of its proper divisors (185743333381).
1042101851819 is an equidigital number, since it uses as much as digits as its factorization.
1042101851819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386763 (or 386756 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 41.
The spelling of 1042101851819 in words is "one trillion, forty-two billion, one hundred one million, eight hundred fifty-one thousand, eight hundred nineteen".
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