Search a number
-
+
51043215241 = 1734764113499
BaseRepresentation
bin101111100010011010…
…011010011110001001
311212202021210222220101
4233202122122132021
51314014030341431
635240545125401
73454620112414
oct574232323611
9155667728811
1051043215241
111a713623107
129a86329861
134a75c2b055
1426830cab7b
1514db260961
hexbe269a789

51043215241 has 16 divisors (see below), whose sum is σ = 54290088000. Its totient is φ = 47823953920.

The previous prime is 51043215239. The next prime is 51043215263. The reversal of 51043215241 is 14251234015.

It is not a de Polignac number, because 51043215241 - 21 = 51043215239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51043215841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3774510 + ... + 3788008.

It is an arithmetic number, because the mean of its divisors is an integer number (3393130500).

Almost surely, 251043215241 is an apocalyptic number.

It is an amenable number.

51043215241 is a deficient number, since it is larger than the sum of its proper divisors (3246872759).

51043215241 is a wasteful number, since it uses less digits than its factorization.

51043215241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14504.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51043215241 its reverse (14251234015), we get a palindrome (65294449256).

The spelling of 51043215241 in words is "fifty-one billion, forty-three million, two hundred fifteen thousand, two hundred forty-one".

Divisors: 1 17 347 641 5899 10897 13499 222427 229483 3781259 4684153 8652859 79630601 147098603 3002542073 51043215241