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131323020300 = 223252145914467
BaseRepresentation
bin111101001001101110…
…1100100010000001100
3110112222010102122021200
41322103131210100030
54122422143122200
6140155020025500
712326210153253
oct1722335442014
9415863378250
10131323020300
115076a46a93a
122154b992290
13c4cb00c894
1464db09d79a
15363909e800
hex1e9376440c

131323020300 has 54 divisors (see below), whose sum is σ = 411624714228. Its totient is φ = 35019471840.

The previous prime is 131323020289. The next prime is 131323020307. The reversal of 131323020300 is 3020323131.

131323020300 is a `hidden beast` number, since 1 + 31 + 32 + 302 + 0 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131323020307) 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 17 ways as a sum of consecutive naturals, for example, 72956334 + ... + 72958133.

Almost surely, 2131323020300 is an apocalyptic number.

131323020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131323020300 is an abundant number, since it is smaller than the sum of its proper divisors (280301693928).

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

131323020300 is a wasteful number, since it uses less digits than its factorization.

131323020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145914487 (or 145914477 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 131323020300 its reverse (3020323131), we get a palindrome (134343343431).

The spelling of 131323020300 in words is "one hundred thirty-one billion, three hundred twenty-three million, twenty thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 145914467 291828934 437743401 583657868 729572335 875486802 1313230203 1459144670 1750973604 2188717005 2626460406 2918289340 3647861675 4377434010 5252920812 6566151015 7295723350 8754868020 10943585025 13132302030 14591446700 21887170050 26264604060 32830755075 43774340100 65661510150 131323020300