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131303322200 = 23521027363907
BaseRepresentation
bin111101001001001001…
…0011011001001011000
3110112220202100212120102
41322102102123021120
54122402122302300
6140153033514532
712325550552351
oct1722222331130
9415822325512
10131303322200
115075a336416
1221545272a48
13c4c6c039bb
1464d8612d28
1536374ad0d5
hex1e9249b258

131303322200 has 48 divisors (see below), whose sum is σ = 305314718280. Its totient is φ = 52515394560.

The previous prime is 131303322187. The next prime is 131303322233. The reversal of 131303322200 is 2223303131.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 2022647 + ... + 2086553.

Almost surely, 2131303322200 is an apocalyptic number.

131303322200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303322200 is an abundant number, since it is smaller than the sum of its proper divisors (174011396080).

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

131303322200 is a wasteful number, since it uses less digits than its factorization.

131303322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74196 (or 74187 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 131303322200 its reverse (2223303131), we get a palindrome (133526625331).

The spelling of 131303322200 in words is "one hundred thirty-one billion, three hundred three million, three hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 10273 20546 41092 51365 63907 82184 102730 127814 205460 255628 256825 319535 410920 511256 513650 639070 1027300 1278140 1597675 2054600 2556280 3195350 6390700 12781400 656516611 1313033222 2626066444 3282583055 5252132888 6565166110 13130332220 16412915275 26260664440 32825830550 65651661100 131303322200