Search a number
-
+
2505345045 = 357163146383
BaseRepresentation
bin1001010101010100…
…1000100000010101
320110121020201022020
42111111020200111
520112332020140
61052334123353
7116041036650
oct22525104025
96417221266
102505345045
1110762248a5
1259b050559
1330c0812b8
1419aa42897
15e9e346d0
hex95548815

2505345045 has 32 divisors (see below), whose sum is σ = 4609339392. Its totient is φ = 1138266432.

The previous prime is 2505345041. The next prime is 2505345047. The reversal of 2505345045 is 5405435052.

It is not a de Polignac number, because 2505345045 - 22 = 2505345041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2505344997 and 2505345015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505345041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56077 + ... + 90306.

It is an arithmetic number, because the mean of its divisors is an integer number (144041856).

Almost surely, 22505345045 is an apocalyptic number.

It is an amenable number.

2505345045 is a deficient number, since it is larger than the sum of its proper divisors (2103994347).

2505345045 is a wasteful number, since it uses less digits than its factorization.

2505345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146561.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 2505345045 is about 50053.4219109943. The cubic root of 2505345045 is about 1358.1753654062.

The spelling of 2505345045 in words is "two billion, five hundred five million, three hundred forty-five thousand, forty-five".

Divisors: 1 3 5 7 15 21 35 105 163 489 815 1141 2445 3423 5705 17115 146383 439149 731915 1024681 2195745 3074043 5123405 15370215 23860429 71581287 119302145 167023003 357906435 501069009 835115015 2505345045