Base | Representation |
---|---|
bin | 111100101110010110… |
… | …1011110000000010011 |
3 | 110110121002222000221000 |
4 | 1321130231132000103 |
5 | 4114032014122011 |
6 | 135523523433043 |
7 | 12264354316635 |
oct | 1713455360023 |
9 | 413532860830 |
10 | 130404442131 |
11 | 503389a9527 |
12 | 21334225783 |
13 | c3b290ccc2 |
14 | 64510a8a55 |
15 | 35d3603356 |
hex | 1e5cb5e013 |
130404442131 has 32 divisors (see below), whose sum is σ = 195662880000. Its totient is φ = 85825833984.
The previous prime is 130404442123. The next prime is 130404442193. The reversal of 130404442131 is 131244404031.
130404442131 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 0 + 444 + 213 + 1 = 666.
It is not a de Polignac number, because 130404442131 - 23 = 130404442123 is a prime.
It is a super-2 number, since 2×1304044421312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 130404442095 and 130404442104.
It is not an unprimeable number, because it can be changed into a prime (130404432131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3136920 + ... + 3178218.
It is an arithmetic number, because the mean of its divisors is an integer number (6114465000).
Almost surely, 2130404442131 is an apocalyptic number.
130404442131 is a deficient number, since it is larger than the sum of its proper divisors (65258437869).
130404442131 is a wasteful number, since it uses less digits than its factorization.
130404442131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42800 (or 42794 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 130404442131 its reverse (131244404031), we get a palindrome (261648846162).
The spelling of 130404442131 in words is "one hundred thirty billion, four hundred four million, four hundred forty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •