Search a number
-
+
130145225444 = 22132502792797
BaseRepresentation
bin111100100110101000…
…0101000101011100100
3110102221001012110110222
41321031100220223210
54113014134203234
6135442103503512
712255056110103
oct1711520505344
9412831173428
10130145225444
1150215650163
1221281457b98
13c370cc1450
1464288b003a
1535ba99d42e
hex1e4d428ae4

130145225444 has 12 divisors (see below), whose sum is σ = 245273694204. Its totient is φ = 60067027104.

The previous prime is 130145225389. The next prime is 130145225447. The reversal of 130145225444 is 444522541031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30289225444 + 99856000000 = 174038^2 + 316000^2 .

It is not an unprimeable number, because it can be changed into a prime (130145225447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251396347 + ... + 1251396450.

It is an arithmetic number, because the mean of its divisors is an integer number (20439474517).

Almost surely, 2130145225444 is an apocalyptic number.

It is an amenable number.

130145225444 is a deficient number, since it is larger than the sum of its proper divisors (115128468760).

130145225444 is a wasteful number, since it uses less digits than its factorization.

130145225444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502792814 (or 2502792812 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 130145225444 its reverse (444522541031), we get a palindrome (574667766475).

The spelling of 130145225444 in words is "one hundred thirty billion, one hundred forty-five million, two hundred twenty-five thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 2502792797 5005585594 10011171188 32536306361 65072612722 130145225444