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130444231244 = 22144722537013
BaseRepresentation
bin111100101111100010…
…1010000001001001100
3110110200212211112022212
41321133011100021030
54114122210344434
6135531504325552
712265346446115
oct1713705201114
9413625745285
10130444231244
1150359405698
12213456138b8
13c3bac31862
1464564a520c
1535d6d628ce
hex1e5f15024c

130444231244 has 12 divisors (see below), whose sum is σ = 228435173904. Its totient is φ = 65177038704.

The previous prime is 130444231243. The next prime is 130444231249. The reversal of 130444231244 is 442132444031.

It is a self number, because there is not a number n which added to its sum of digits gives 130444231244.

It is not an unprimeable number, because it can be changed into a prime (130444231243) 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, 11262719 + ... + 11274294.

It is an arithmetic number, because the mean of its divisors is an integer number (19036264492).

Almost surely, 2130444231244 is an apocalyptic number.

It is an amenable number.

130444231244 is a deficient number, since it is larger than the sum of its proper divisors (97990942660).

130444231244 is a wasteful number, since it uses less digits than its factorization.

130444231244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22538464 (or 22538462 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 130444231244 its reverse (442132444031), we get a palindrome (572576675275).

The spelling of 130444231244 in words is "one hundred thirty billion, four hundred forty-four million, two hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 1447 2894 5788 22537013 45074026 90148052 32611057811 65222115622 130444231244