Search a number
-
+
1423974890880 = 27325487150753
BaseRepresentation
bin10100101110001011100…
…001000111110110000000
312001010112020222102221100
4110232023201013312000
5141312300033002010
63010055351454400
7204610265602053
oct24561341076600
95033466872840
101423974890880
114a99a47806a3
121abb86387400
13a4384951439
144ccc678aa9a
1527092d412c0
hex14b8b847d80

1423974890880 has 192 divisors, whose sum is σ = 4918269676320. Its totient is φ = 379641200640.

The previous prime is 1423974890867. The next prime is 1423974890881. The reversal of 1423974890880 is 880984793241.

1423974890880 is a `hidden beast` number, since 1 + 42 + 39 + 7 + 489 + 0 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423974890881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28031584 + ... + 28082336.

Almost surely, 21423974890880 is an apocalyptic number.

1423974890880 is a gapful number since it is divisible by the number (10) 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 1423974890880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459134838160).

1423974890880 is an abundant number, since it is smaller than the sum of its proper divisors (3494294785440).

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

1423974890880 is a wasteful number, since it uses less digits than its factorization.

1423974890880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55649 (or 55634 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 1423974890880 in words is "one trillion, four hundred twenty-three billion, nine hundred seventy-four million, eight hundred ninety thousand, eight hundred eighty".