Search a number
-
+
20143681887024 = 2434311183142379
BaseRepresentation
bin1001001010010000100010…
…00000001101101100110000
32122022201100211021121220000
410211020101000031230300
510120013230030341044
6110501514003350000
74146222133635453
oct445102100155460
978281324247800
1020143681887024
11646698430a413
122313b92382300
13b317058c70b7
144d8d6087349a
1524deb3e41d69
hex12521100db30

20143681887024 has 200 divisors, whose sum is σ = 60188865285120. Its totient is φ = 6497259350400.

The previous prime is 20143681887019. The next prime is 20143681887067. The reversal of 20143681887024 is 42078818634102.

20143681887024 is a `hidden beast` number, since 2 + 0 + 1 + 436 + 8 + 188 + 7 + 0 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 475301067 + ... + 475343445.

Almost surely, 220143681887024 is an apocalyptic number.

20143681887024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20143681887024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30094432642560).

20143681887024 is an abundant number, since it is smaller than the sum of its proper divisors (40045183398096).

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

20143681887024 is a wasteful number, since it uses less digits than its factorization.

20143681887024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54261 (or 54246 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 20143681887024 in words is "twenty trillion, one hundred forty-three billion, six hundred eighty-one million, eight hundred eighty-seven thousand, twenty-four".