Search a number
-
+
1012030331111 = 1913917319111597
BaseRepresentation
bin11101011101000011011…
…01010101100011100111
310120202020010121120021222
432232201231111203213
5113040114231043421
62052530442130555
7133055024610452
oct16564155254347
93522203546258
101012030331111
113602218137a8
1214417aab0a5b
13745847bcc67
1436da80bc499
151b4d29c8cab
hexeba1b558e7

1012030331111 has 32 divisors (see below), whose sum is σ = 1084904755200. Its totient is φ = 941329883520.

The previous prime is 1012030331087. The next prime is 1012030331131. The reversal of 1012030331111 is 1111330302101.

It is a de Polignac number, because none of the positive numbers 2k-1012030331111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012030331111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012030331131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87260765 + ... + 87272361.

It is an arithmetic number, because the mean of its divisors is an integer number (33903273600).

Almost surely, 21012030331111 is an apocalyptic number.

1012030331111 is a deficient number, since it is larger than the sum of its proper divisors (72874424089).

1012030331111 is a wasteful number, since it uses less digits than its factorization.

1012030331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12119.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1012030331111 its reverse (1111330302101), we get a palindrome (2123360633212).

The spelling of 1012030331111 in words is "one trillion, twelve billion, thirty million, three hundred thirty-one thousand, one hundred eleven".

Divisors: 1 19 139 173 191 2641 3287 3629 11597 24047 26549 33043 220343 456893 504431 627817 1611983 2006281 2215027 4592977 30627677 38119339 42085513 87266563 278873059 307888753 383199671 5298588121 5849886307 7280793749 53264754269 1012030331111