Search a number
-
+
1030819875849 = 323384312
BaseRepresentation
bin11110000000000011010…
…01110000110000001001
310122112201121110100002100
433000001221300300021
5113342104342011344
62105315131224013
7134321451242331
oct17000151606011
93575647410070
101030819875849
11368193a45875
121479435a8009
137628a48257a
1437c6b7120c1
151bc32341569
hexf001a70c09

1030819875849 has 9 divisors (see below), whose sum is σ = 1488966442509. Its totient is φ = 687211219980.

The previous prime is 1030819875803. The next prime is 1030819875859. The reversal of 1030819875849 is 9485789180301.

The square root of 1030819875849 is 1015293.

It is a perfect power (a square), and thus also a powerful number.

1030819875849 is a `hidden beast` number, since 1 + 0 + 30 + 8 + 19 + 8 + 7 + 584 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1030819875849 - 27 = 1030819875721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1030819875859) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2876664 + ... + 3215094.

Almost surely, 21030819875849 is an apocalyptic number.

1030819875849 is the 1015293-rd square number.

1030819875849 is the 507647-th centered octagonal number.

It is an amenable number.

1030819875849 is a deficient number, since it is larger than the sum of its proper divisors (458146566660).

1030819875849 is an frugal number, since it uses more digits than its factorization.

1030819875849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676868 (or 338434 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 1030819875849 in words is "one trillion, thirty billion, eight hundred nineteen million, eight hundred seventy-five thousand, eight hundred forty-nine".

Divisors: 1 3 9 338431 1015293 3045879 114535541761 343606625283 1030819875849