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100221131332 = 2277237494587
BaseRepresentation
bin101110101010110100…
…1010001101001000100
3100120200120201222102001
41131111221101221010
53120223102200312
6114012502355044
710145400363160
oct1352551215104
9316616658361
10100221131332
113955a241373
121750ba2ba84
1395b258509a
144bca583ca0
15291886a057
hex1755a51a44

100221131332 has 24 divisors (see below), whose sum is σ = 200470364864. Its totient is φ = 42945891552.

The previous prime is 100221131321. The next prime is 100221131333. The reversal of 100221131332 is 233131122001.

It is not an unprimeable number, because it can be changed into a prime (100221131333) 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 7 ways as a sum of consecutive naturals, for example, 44658 + ... + 449929.

Almost surely, 2100221131332 is an apocalyptic number.

It is an amenable number.

100221131332 is an abundant number, since it is smaller than the sum of its proper divisors (100249233532).

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

100221131332 is a wasteful number, since it uses less digits than its factorization.

100221131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501835 (or 501833 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100221131332 its reverse (233131122001), we get a palindrome (333352253333).

The spelling of 100221131332 in words is "one hundred billion, two hundred twenty-one million, one hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 7237 14474 28948 50659 101318 202636 494587 989174 1978348 3462109 6924218 13848436 3579326119 7158652238 14317304476 25055282833 50110565666 100221131332