Search a number
-
+
130031120213 = 4779109321289
BaseRepresentation
bin111100100011001110…
…1010110111101010101
3110102122002111022112022
41321012131112331111
54112300431321323
6135422510102525
712252202166561
oct1710635267525
9412562438468
10130031120213
11501671a5215
122124b1aaa45
13c35347c667
14641768a6a1
1535b095e4c8
hex1e46756f55

130031120213 has 16 divisors (see below), whose sum is σ = 135712896000. Its totient is φ = 124500385152.

The previous prime is 130031120207. The next prime is 130031120231. The reversal of 130031120213 is 312021130031.

It is a cyclic number.

It is not a de Polignac number, because 130031120213 - 28 = 130031119957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130031120191 and 130031120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244073 + ... + 565361.

It is an arithmetic number, because the mean of its divisors is an integer number (8482056000).

Almost surely, 2130031120213 is an apocalyptic number.

It is an amenable number.

130031120213 is a deficient number, since it is larger than the sum of its proper divisors (5681775787).

130031120213 is a wasteful number, since it uses less digits than its factorization.

130031120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321524.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130031120213 its reverse (312021130031), we get a palindrome (442052250244).

The spelling of 130031120213 in words is "one hundred thirty billion, thirty-one million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 47 79 109 3713 5123 8611 321289 404717 15100583 25381831 35020501 1192946057 1645963547 2766619579 130031120213