Search a number
-
+
472131131275 = 52227228136473
BaseRepresentation
bin1101101111011010011…
…01010101011110001011
31200010122122000111101101
412313231031111132023
530213411032200100
61000521040402231
746052564254246
oct6675515253613
91603578014341
10472131131275
11172258795991
1277603916377
13356a24536cb
1418bcbc4a25d
15c43417086a
hex6ded35578b

472131131275 has 24 divisors (see below), whose sum is σ = 588295565424. Its totient is φ = 375865843200.

The previous prime is 472131131243. The next prime is 472131131299. The reversal of 472131131275 is 572131131274.

It is not a de Polignac number, because 472131131275 - 25 = 472131131243 is a prime.

It is a super-2 number, since 2×4721311312752 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12926439 + ... + 12962911.

It is an arithmetic number, because the mean of its divisors is an integer number (24512315226).

Almost surely, 2472131131275 is an apocalyptic number.

472131131275 is a deficient number, since it is larger than the sum of its proper divisors (116164434149).

472131131275 is a wasteful number, since it uses less digits than its factorization.

472131131275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38991 (or 38986 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

Subtracting 472131131275 from its reverse (572131131274), we obtain a palindrome (99999999999).

The spelling of 472131131275 in words is "four hundred seventy-two billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred seventy-five".

Divisors: 1 5 25 227 1135 2281 5675 11405 36473 57025 182365 517787 911825 2588935 8279371 12944675 41396855 83194913 206984275 415974565 2079872825 18885245251 94426226255 472131131275