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3135312505 = 513223161323
BaseRepresentation
bin1011101011100001…
…0001001001111001
322002111122101012101
42322320101021321
522410120000010
61235040343401
7140460500533
oct27270211171
98074571171
103135312505
111369890766
12736014b61
133ac740100
1421a58a853
151353c173a
hexbae11279

3135312505 has 24 divisors (see below), whose sum is σ = 4251210048. Its totient is φ = 2214628416.

The previous prime is 3135312497. The next prime is 3135312529. The reversal of 3135312505 is 5052135313.

3135312505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3135312505 - 23 = 3135312497 is a prime.

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, 61227 + ... + 100096.

It is an arithmetic number, because the mean of its divisors is an integer number (177133752).

Almost surely, 23135312505 is an apocalyptic number.

It is an amenable number.

3135312505 is a deficient number, since it is larger than the sum of its proper divisors (1115897543).

3135312505 is a wasteful number, since it uses less digits than its factorization.

3135312505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161377 (or 161364 counting only the distinct ones).

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

The square root of 3135312505 is about 55993.8613153263. The cubic root of 3135312505 is about 1463.6153138459.

Adding to 3135312505 its reverse (5052135313), we get a palindrome (8187447818).

The spelling of 3135312505 in words is "three billion, one hundred thirty-five million, three hundred twelve thousand, five hundred five".

Divisors: 1 5 13 23 65 115 169 299 845 1495 3887 19435 161323 806615 2097199 3710429 10485995 18552145 27263587 48235577 136317935 241177885 627062501 3135312505