Search a number
-
+
105121034424325 = 525737732933829
BaseRepresentation
bin10111111001101101100101…
…111010100101000000000101
3111210012110202122001110121101
4113321231211322211000011
5102234300334303034300
61011323534143020101
731066513141424233
oct2771554572450005
9453173678043541
10105121034424325
1130549642484097
12b9591b189a631
134686b427c546a
141bd5c5704d953
15c2468cbc7b6a
hex5f9b65ea5005

105121034424325 has 12 divisors (see below), whose sum is σ = 130372803812740. Its totient is φ = 84082168748160.

The previous prime is 105121034424293. The next prime is 105121034424331. The reversal of 105121034424325 is 523424430121501.

It can be written as a sum of positive squares in 6 ways, for example, as 30712589107236 + 74408445317089 = 5541894^2 + 8626033^2 .

It is not a de Polignac number, because 105121034424325 - 25 = 105121034424293 is a prime.

It is a super-2 number, since 2×1051210344243252 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366323490 + ... + 366610339.

Almost surely, 2105121034424325 is an apocalyptic number.

It is an amenable number.

105121034424325 is a deficient number, since it is larger than the sum of its proper divisors (25251769388415).

105121034424325 is an equidigital number, since it uses as much as digits as its factorization.

105121034424325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732939576 (or 732939571 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 105121034424325 its reverse (523424430121501), we get a palindrome (628545464545826).

The spelling of 105121034424325 in words is "one hundred five trillion, one hundred twenty-one billion, thirty-four million, four hundred twenty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 5737 28685 143425 732933829 3664669145 18323345725 4204841376973 21024206884865 105121034424325