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100320405108 = 223711108571867
BaseRepresentation
bin101110101101110001…
…1111110011001110100
3100120221111112121102120
41131123203332121310
53120424010430413
6114030410235540
710151014242120
oct1353343763164
9316844477376
10100320405108
1139600287210
1217539125bb0
1395ca003171
144bd9826580
152922429723
hex175b8fe674

100320405108 has 48 divisors (see below), whose sum is σ = 291841181184. Its totient is φ = 26057247840.

The previous prime is 100320405103. The next prime is 100320405167. The reversal of 100320405108 is 801504023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320405103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54285010 + ... + 54286857.

It is an arithmetic number, because the mean of its divisors is an integer number (6080024608).

Almost surely, 2100320405108 is an apocalyptic number.

It is an amenable number.

100320405108 is an abundant number, since it is smaller than the sum of its proper divisors (191520776076).

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

100320405108 is a wasteful number, since it uses less digits than its factorization.

100320405108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108571892 (or 108571890 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 100320405108 its reverse (801504023001), we get a palindrome (901824428109).

The spelling of 100320405108 in words is "one hundred billion, three hundred twenty million, four hundred five thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 108571867 217143734 325715601 434287468 651431202 760003069 1194290537 1302862404 1520006138 2280009207 2388581074 3040012276 3582871611 4560018414 4777162148 7165743222 8360033759 9120036828 14331486444 16720067518 25080101277 33440135036 50160202554 100320405108