Search a number
-
+
2551133305 = 57217718627
BaseRepresentation
bin1001100000001111…
…0011010001111001
320120210101222222201
42120003303101321
520211042231210
61101051350201
7120135163300
oct23003632171
96523358881
102551133305
11109a059236
125b2452361
133186c3646
141a2b61437
15ede7b53a
hex980f3479

2551133305 has 48 divisors (see below), whose sum is σ = 3824205696. Its totient is φ = 1623068160.

The previous prime is 2551133267. The next prime is 2551133317. The reversal of 2551133305 is 5033311552.

It is not a de Polignac number, because 2551133305 - 215 = 2551100537 is a prime.

It is a super-2 number, since 2×25511333052 = 13016562279760446050, which 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 47 ways as a sum of consecutive naturals, for example, 291402 + ... + 300028.

It is an arithmetic number, because the mean of its divisors is an integer number (79670952).

Almost surely, 22551133305 is an apocalyptic number.

It is an amenable number.

2551133305 is a deficient number, since it is larger than the sum of its proper divisors (1273072391).

2551133305 is a wasteful number, since it uses less digits than its factorization.

2551133305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734 (or 8727 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 2551133305 is about 50508.7448369092. The cubic root of 2551133305 is about 1366.3995725974.

Adding to 2551133305 its reverse (5033311552), we get a palindrome (7584444857).

The spelling of 2551133305 in words is "two billion, five hundred fifty-one million, one hundred thirty-three thousand, three hundred five".

Divisors: 1 5 7 17 35 49 71 85 119 245 355 497 595 833 1207 2485 3479 4165 6035 8449 8627 17395 42245 43135 59143 60389 146659 295715 301945 422723 612517 733295 1026613 2113615 3062585 4287619 5133065 7186291 10412789 21438095 30013333 35931455 52063945 72889523 150066665 364447615 510226661 2551133305