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51160051 = 109346807
BaseRepresentation
bin1100001100101…
…0001111110011
310120021012101201
43003022033303
5101044110201
65024312031
71160565445
oct303121763
9116235351
1051160051
1126973338
1215172617
13a7a3427
146b1a495
154758801
hex30ca3f3

51160051 has 4 divisors (see below), whose sum is σ = 51207952. Its totient is φ = 51112152.

The previous prime is 51160049. The next prime is 51160063. The reversal of 51160051 is 15006115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15006115 = 53001223.

It is a cyclic number.

It is not a de Polignac number, because 51160051 - 21 = 51160049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51160001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22311 + ... + 24496.

It is an arithmetic number, because the mean of its divisors is an integer number (12801988).

Almost surely, 251160051 is an apocalyptic number.

51160051 is a deficient number, since it is larger than the sum of its proper divisors (47901).

51160051 is a wasteful number, since it uses less digits than its factorization.

51160051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47900.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 51160051 is about 7152.6254620244. The cubic root of 51160051 is about 371.2305050849.

Adding to 51160051 its reverse (15006115), we get a palindrome (66166166).

The spelling of 51160051 in words is "fifty-one million, one hundred sixty thousand, fifty-one".

Divisors: 1 1093 46807 51160051