Search a number
-
+
50210135431 = 114894370279
BaseRepresentation
bin101110110000110000…
…011101110110000111
311210121020020011020121
4232300300131312013
51310312243313211
635022145242411
73425153052331
oct566060356607
9153536204217
1050210135431
111a3263489a5
129893333407
134972465411
1426045d0451
15148d052271
hexbb0c1dd87

50210135431 has 4 divisors (see below), whose sum is σ = 50214517200. Its totient is φ = 50205753664.

The previous prime is 50210135411. The next prime is 50210135461. The reversal of 50210135431 is 13453101205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50210135431 - 211 = 50210133383 is a prime.

It is a super-2 number, since 2×502101354312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50210135396 and 50210135405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50210135411) 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 3 ways as a sum of consecutive naturals, for example, 2173651 + ... + 2196628.

It is an arithmetic number, because the mean of its divisors is an integer number (12553629300).

Almost surely, 250210135431 is an apocalyptic number.

50210135431 is a deficient number, since it is larger than the sum of its proper divisors (4381769).

50210135431 is a wasteful number, since it uses less digits than its factorization.

50210135431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381768.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 50210135431 its reverse (13453101205), we get a palindrome (63663236636).

The spelling of 50210135431 in words is "fifty billion, two hundred ten million, one hundred thirty-five thousand, four hundred thirty-one".

Divisors: 1 11489 4370279 50210135431