Search a number
-
+
5291047161 = 32718280199
BaseRepresentation
bin1001110110101111…
…01111100011111001
3111122202001001012200
410323113233203321
541314002002121
62233005300413
7245055105321
oct47327574371
914582031180
105291047161
112275727054
121037b64709
1366424364a
143829c4281
1520e797a26
hex13b5ef8f9

5291047161 has 12 divisors (see below), whose sum is σ = 7750267200. Its totient is φ = 3477683160.

The previous prime is 5291047147. The next prime is 5291047169. The reversal of 5291047161 is 1617401925.

5291047161 is a `hidden beast` number, since 529 + 1 + 0 + 4 + 71 + 61 = 666.

It is not a de Polignac number, because 5291047161 - 211 = 5291045113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5291047169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4139461 + ... + 4140738.

It is an arithmetic number, because the mean of its divisors is an integer number (645855600).

Almost surely, 25291047161 is an apocalyptic number.

It is an amenable number.

5291047161 is a deficient number, since it is larger than the sum of its proper divisors (2459220039).

5291047161 is a wasteful number, since it uses less digits than its factorization.

5291047161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280276 (or 8280273 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5291047161 is about 72739.5845533916. The cubic root of 5291047161 is about 1742.5311250236.

The spelling of 5291047161 in words is "five billion, two hundred ninety-one million, forty-seven thousand, one hundred sixty-one".

Divisors: 1 3 9 71 213 639 8280199 24840597 74521791 587894129 1763682387 5291047161