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130606203444 = 22319755247971
BaseRepresentation
bin111100110100010111…
…1001000001000110100
3110111010011121120102020
41321220233020020310
54114440142002234
6135555532113140
712302354261223
oct1715057101064
9414104546366
10130606203444
1150431884812
122138b9057b0
13c415662bb2
14646dbc8cba
1535e61a9549
hex1e68bc8234

130606203444 has 24 divisors (see below), whose sum is σ = 306294756768. Its totient is φ = 43314408480.

The previous prime is 130606203421. The next prime is 130606203451. The reversal of 130606203444 is 444302606031.

It is a super-2 number, since 2×1306062034442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27621622 + ... + 27626349.

It is an arithmetic number, because the mean of its divisors is an integer number (12762281532).

Almost surely, 2130606203444 is an apocalyptic number.

It is an amenable number.

130606203444 is an abundant number, since it is smaller than the sum of its proper divisors (175688553324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130606203444 is a wasteful number, since it uses less digits than its factorization.

130606203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55248175 (or 55248173 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 130606203444 its reverse (444302606031), we get a palindrome (574908809475).

The spelling of 130606203444 in words is "one hundred thirty billion, six hundred six million, two hundred three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 55247971 110495942 165743913 220991884 331487826 662975652 10883850287 21767700574 32651550861 43535401148 65303101722 130606203444