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20144201213332 = 2271147162717789
BaseRepresentation
bin1001001010010001011111…
…11101010010010110010100
32122022202201000111010122201
410211020233331102112110
510120020311002311312
6110502041314334244
74146241041064360
oct445105775222624
978282630433581
1020144201213332
116467120476a09
1223140b828a384
13b31789387a81
144d8dad81a2a0
1524dee4826557
hex12522ff52594

20144201213332 has 24 divisors (see below), whose sum is σ = 40291915265280. Its totient is φ = 8632476340320.

The previous prime is 20144201213309. The next prime is 20144201213407. The reversal of 20144201213332 is 23331210244102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20144201213332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31037707 + ... + 31680082.

It is an arithmetic number, because the mean of its divisors is an integer number (1678829802720).

Almost surely, 220144201213332 is an apocalyptic number.

It is an amenable number.

20144201213332 is an abundant number, since it is smaller than the sum of its proper divisors (20147714051948).

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

20144201213332 is a wasteful number, since it uses less digits than its factorization.

20144201213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62729271 (or 62729269 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20144201213332 its reverse (23331210244102), we get a palindrome (43475411457434).

The spelling of 20144201213332 in words is "twenty trillion, one hundred forty-four billion, two hundred one million, two hundred thirteen thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 11471 22942 45884 80297 160594 321188 62717789 125435578 250871156 439024523 878049046 1756098092 719435757619 1438871515238 2877743030476 5036050303333 10072100606666 20144201213332