Search a number
-
+
2580325020721 = 73118165695573
BaseRepresentation
bin100101100011000111010…
…110110011010000110001
3100010200021021202101211001
4211203013112303100301
5314234001201130341
65253215052122001
7354264600535330
oct45430726632061
910120237671731
102580325020721
11905345229228
12358101766301
13159428c654b6
148cc61a95d17
15471c08d1d31
hex258c75b3431

2580325020721 has 16 divisors (see below), whose sum is σ = 3060888183808. Its totient is φ = 2128536532800.

The previous prime is 2580325020677. The next prime is 2580325020727. The reversal of 2580325020721 is 1270205230852.

It is not a de Polignac number, because 2580325020721 - 221 = 2580322923569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2580325020727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32808510 + ... + 32887063.

It is an arithmetic number, because the mean of its divisors is an integer number (191305511488).

Almost surely, 22580325020721 is an apocalyptic number.

It is an amenable number.

2580325020721 is a deficient number, since it is larger than the sum of its proper divisors (480563163087).

2580325020721 is a wasteful number, since it uses less digits than its factorization.

2580325020721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65695792.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 2580325020721 in words is "two trillion, five hundred eighty billion, three hundred twenty-five million, twenty thousand, seven hundred twenty-one".

Divisors: 1 7 31 181 217 1267 5611 39277 65695573 459869011 2036562763 11890898713 14255939341 83236290991 368617860103 2580325020721