Search a number
-
+
130434444445 = 585730439777
BaseRepresentation
bin111100101111001111…
…1111010110010011101
3110110200012102022100211
41321132133322302131
54114112204210240
6135530514452421
712265200325144
oct1713637726235
9413605368324
10130434444445
1150353930728
1221342294111
13c3b8bb6056
14645507875b
1535d607cbea
hex1e5e7fac9d

130434444445 has 8 divisors (see below), whose sum is σ = 156703977144. Its totient is φ = 104225793024.

The previous prime is 130434444389. The next prime is 130434444499. The reversal of 130434444445 is 544444434031.

It can be written as a sum of positive squares in 4 ways, for example, as 52998025369 + 77436419076 = 230213^2 + 278274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130434444445 - 231 = 128286960797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130434444398 and 130434444407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15215604 + ... + 15224173.

It is an arithmetic number, because the mean of its divisors is an integer number (19587997143).

Almost surely, 2130434444445 is an apocalyptic number.

It is an amenable number.

130434444445 is a deficient number, since it is larger than the sum of its proper divisors (26269532699).

130434444445 is an equidigital number, since it uses as much as digits as its factorization.

130434444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30440639.

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 130434444445 its reverse (544444434031), we get a palindrome (674878878476).

The spelling of 130434444445 in words is "one hundred thirty billion, four hundred thirty-four million, four hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 857 4285 30439777 152198885 26086888889 130434444445