Search a number
-
+
2189880725537 = 31115796100813
BaseRepresentation
bin11111110111011111000…
…100000001000000100001
321202100110112221010112102
4133313133010001000201
5241334333431204122
64354003423540145
7314133200020121
oct37673704010041
97670415833472
102189880725537
117747a564133a
122b44b675a655
1312b67426447b
1477dc2a40c81
153be6cd83492
hex1fddf101021

2189880725537 has 8 divisors (see below), whose sum is σ = 2260717635840. Its totient is φ = 2119056040080.

The previous prime is 2189880725507. The next prime is 2189880725611. The reversal of 2189880725537 is 7355270889812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2189880725537 - 228 = 2189612290081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2189880725507) 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 7 ways as a sum of consecutive naturals, for example, 2691458 + ... + 3409355.

It is an arithmetic number, because the mean of its divisors is an integer number (282589704480).

Almost surely, 22189880725537 is an apocalyptic number.

It is an amenable number.

2189880725537 is a deficient number, since it is larger than the sum of its proper divisors (70836910303).

2189880725537 is a wasteful number, since it uses less digits than its factorization.

2189880725537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112423.

The product of its (nonzero) digits is 67737600, while the sum is 65.

The spelling of 2189880725537 in words is "two trillion, one hundred eighty-nine billion, eight hundred eighty million, seven hundred twenty-five thousand, five hundred thirty-seven".

Divisors: 1 31 11579 358949 6100813 189125203 70641313727 2189880725537