Search a number
-
+
1042101851819 = 7289619386041
BaseRepresentation
bin11110010101000100001…
…11000101011010101011
310200121211212111002122012
433022202013011122223
5114033211033224234
62114422431150135
7135201153405500
oct17124207053253
93617755432565
101042101851819
11371a53367356
12149b7197534b
1377367936ab2
143861bc234a7
151c192a2e0ce
hexf2a21c56ab

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".

Divisors: 1 7 49 89 619 623 4333 4361 30331 55091 385637 386041 2699459 2702287 18916009 34357649 238959379 240503543 1672715653 1683524801 11709009571 21267384731 148871693117 1042101851819