Search a number
-
+
5005651561 = 31313515887
BaseRepresentation
bin1001010100101110…
…00010111001101001
3110220212000110001021
410222113002321221
540222421322221
62144412252441
7235021223221
oct45227027151
913825013037
105005651561
112139618119
12b78471121
1361a08a101
14356b33081
151e46c1041
hex12a5c2e69

5005651561 has 8 divisors (see below), whose sum is σ = 5183642624. Its totient is φ = 4828692960.

The previous prime is 5005651531. The next prime is 5005651571. The reversal of 5005651561 is 1651565005.

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

It is a cyclic number.

It is not a de Polignac number, because 5005651561 - 27 = 5005651433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5005651531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248241 + ... + 267646.

It is an arithmetic number, because the mean of its divisors is an integer number (647955328).

Almost surely, 25005651561 is an apocalyptic number.

It is an amenable number.

5005651561 is a deficient number, since it is larger than the sum of its proper divisors (177991063).

5005651561 is a wasteful number, since it uses less digits than its factorization.

5005651561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516231.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 5005651561 is about 70750.6294035608. The cubic root of 5005651561 is about 1710.6199729788.

The spelling of 5005651561 in words is "five billion, five million, six hundred fifty-one thousand, five hundred sixty-one".

Divisors: 1 31 313 9703 515887 15992497 161472631 5005651561