Search a number
-
+
2889177428920 = 23572229435723
BaseRepresentation
bin101010000010110000011…
…001001111001110111000
3101020012110202001100200111
4222002300121033032320
5334314013410211140
610051134135114104
7415510336642156
oct52026031171670
911205422040614
102889177428920
11a14325379862
123a7b37812934
1317c5a9aa9663
149dba07903d6
155024a3167ea
hex2a0b064f3b8

2889177428920 has 16 divisors (see below), whose sum is σ = 6500649215160. Its totient is φ = 1155670971552.

The previous prime is 2889177428887. The next prime is 2889177428923. The reversal of 2889177428920 is 298247719882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889177428923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36114717822 + ... + 36114717901.

Almost surely, 22889177428920 is an apocalyptic number.

2889177428920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2889177428920 is an abundant number, since it is smaller than the sum of its proper divisors (3611471786240).

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

2889177428920 is a wasteful number, since it uses less digits than its factorization.

2889177428920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72229435734 (or 72229435730 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 67.

The spelling of 2889177428920 in words is "two trillion, eight hundred eighty-nine billion, one hundred seventy-seven million, four hundred twenty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 72229435723 144458871446 288917742892 361147178615 577835485784 722294357230 1444588714460 2889177428920