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130444023044 = 22257126891073
BaseRepresentation
bin111100101111100010…
…0011101010100000100
3110110200212102221201202
41321133010131110010
54114122132214134
6135531500042032
712265344621116
oct1713704352404
9413625387652
10130444023044
1150359283225
1221345533318
13c3bab8ab6a
14645644d3b6
1535d6d20d7e
hex1e5f11d504

130444023044 has 12 divisors (see below), whose sum is σ = 229165279644. Its totient is φ = 64968228864.

The previous prime is 130444023019. The next prime is 130444023079. The reversal of 130444023044 is 440320444031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126479809600 + 3964213444 = 355640^2 + 62962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130444022998 and 130444023016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63444509 + ... + 63446564.

It is an arithmetic number, because the mean of its divisors is an integer number (19097106637).

Almost surely, 2130444023044 is an apocalyptic number.

It is an amenable number.

130444023044 is a deficient number, since it is larger than the sum of its proper divisors (98721256600).

130444023044 is a wasteful number, since it uses less digits than its factorization.

130444023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126891334 (or 126891332 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 130444023044 its reverse (440320444031), we get a palindrome (570764467075).

The spelling of 130444023044 in words is "one hundred thirty billion, four hundred forty-four million, twenty-three thousand, forty-four".

Divisors: 1 2 4 257 514 1028 126891073 253782146 507564292 32611005761 65222011522 130444023044