Search a number
-
+
2315150561 = 27141920389
BaseRepresentation
bin1000100111111110…
…0110010011100001
312222100100211112002
42021333212103201
514220134304221
61021421413345
7111241312043
oct21177462341
95870324462
102315150561
11a88929979
1254740a255
132ab84b199
1417d693a93
15d83b580b
hex89fe64e1

2315150561 has 8 divisors (see below), whose sum is σ = 2329353600. Its totient is φ = 2300989680.

The previous prime is 2315150483. The next prime is 2315150597. The reversal of 2315150561 is 1650515132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2315150561 is a prime.

It is a super-2 number, since 2×23151505612 = 10719844240197229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315140561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103355 + ... + 123743.

It is an arithmetic number, because the mean of its divisors is an integer number (291169200).

Almost surely, 22315150561 is an apocalyptic number.

It is an amenable number.

2315150561 is a deficient number, since it is larger than the sum of its proper divisors (14203039).

2315150561 is a wasteful number, since it uses less digits than its factorization.

2315150561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21079.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 2315150561 is about 48116.0114826655. The cubic root of 2315150561 is about 1322.8981625434.

Adding to 2315150561 its reverse (1650515132), we get a palindrome (3965665693).

The spelling of 2315150561 in words is "two billion, three hundred fifteen million, one hundred fifty thousand, five hundred sixty-one".

Divisors: 1 271 419 20389 113549 5525419 8542991 2315150561