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23132100212 = 22132915339589
BaseRepresentation
bin10101100010110001…
…111101011001110100
32012201010010110000022
4111202301331121310
5334333304201322
614343213104312
71446143415254
oct254261753164
965633113008
1023132100212
1198a05162a1
124596a88098
132248561880
141196277964
15905c05942
hex562c7d674

23132100212 has 24 divisors (see below), whose sum is σ = 45098394600. Its totient is φ = 10308203136.

The previous prime is 23132100197. The next prime is 23132100223. The reversal of 23132100212 is 21200123132.

It can be written as a sum of positive squares in 4 ways, for example, as 3272526436 + 19859573776 = 57206^2 + 140924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7668287 + ... + 7671302.

It is an arithmetic number, because the mean of its divisors is an integer number (1879099775).

Almost surely, 223132100212 is an apocalyptic number.

It is an amenable number.

23132100212 is a deficient number, since it is larger than the sum of its proper divisors (21966294388).

23132100212 is a wasteful number, since it uses less digits than its factorization.

23132100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15339635 (or 15339633 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23132100212 its reverse (21200123132), we get a palindrome (44332223344).

The spelling of 23132100212 in words is "twenty-three billion, one hundred thirty-two million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 15339589 30679178 61358356 199414657 398829314 444848081 797658628 889696162 1779392324 5783025053 11566050106 23132100212