Search a number
-
+
102113121141 = 3218013629873
BaseRepresentation
bin101111100011001101…
…0101001001101110101
3100202120102212000111200
41133012122221031311
53133111424334031
6114524330323113
710243313131353
oct1370632511565
9322512760450
10102113121141
113a340216309
1217959589499
139824542995
144d299647d3
1529c99e48e6
hex17c66a9375

102113121141 has 12 divisors (see below), whose sum is σ = 147505153068. Its totient is φ = 68071526784.

The previous prime is 102113121041. The next prime is 102113121193. The reversal of 102113121141 is 141121311201.

102113121141 is a `hidden beast` number, since 1 + 0 + 211 + 312 + 1 + 141 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99022873041 + 3090248100 = 314679^2 + 55590^2 .

It is not a de Polignac number, because 102113121141 - 27 = 102113121013 is a prime.

It is a super-2 number, since 2×1021131211412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113121041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152820 + ... + 477053.

It is an arithmetic number, because the mean of its divisors is an integer number (12292096089).

Almost surely, 2102113121141 is an apocalyptic number.

It is an amenable number.

102113121141 is a deficient number, since it is larger than the sum of its proper divisors (45392031927).

102113121141 is a wasteful number, since it uses less digits than its factorization.

102113121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647892 (or 647889 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 102113121141 its reverse (141121311201), we get a palindrome (243234432342).

The spelling of 102113121141 in words is "one hundred two billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 3 9 18013 54039 162117 629873 1889619 5668857 11345902349 34037707047 102113121141