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131332221300 = 22352762539153
BaseRepresentation
bin111101001010000000…
…0101010100101110100
3110112222202202002200110
41322110000222211310
54122432022040200
6140155545143020
712326351314320
oct1722400524564
9415882662613
10131332221300
1150774684775
1221552a8aa70
13c4ccbb1867
1464dc3b6980
153639cbab50
hex1e9402a974

131332221300 has 72 divisors (see below), whose sum is σ = 434271885376. Its totient is φ = 30018792960.

The previous prime is 131332221283. The next prime is 131332221343. The reversal of 131332221300 is 3122233131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31267477 + ... + 31271676.

Almost surely, 2131332221300 is an apocalyptic number.

131332221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131332221300 is an abundant number, since it is smaller than the sum of its proper divisors (302939664076).

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

131332221300 is a wasteful number, since it uses less digits than its factorization.

131332221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62539177 (or 62539170 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131332221300 its reverse (3122233131), we get a palindrome (134454454431).

The spelling of 131332221300 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 62539153 125078306 187617459 250156612 312695765 375234918 437774071 625391530 750469836 875548142 938087295 1250783060 1313322213 1563478825 1751096284 1876174590 2188870355 2626644426 3126957650 3752349180 4377740710 4690436475 5253288852 6253915300 6566611065 8755481420 9380872950 10944351775 13133222130 18761745900 21888703550 26266444260 32833055325 43777407100 65666110650 131332221300