Search a number
-
+
50245430421 = 329887651109
BaseRepresentation
bin101110110010110111…
…000110110010010101
311210200200122022212110
4232302313012302111
51310400312233141
635025445541233
73426062053224
oct566267066225
9153620568773
1050245430421
111a34426560a
1298a3114819
134979872524
14260917acbb
1514911c4e16
hexbb2dc6c95

50245430421 has 16 divisors (see below), whose sum is σ = 69382281600. Its totient is φ = 32305374528.

The previous prime is 50245430419. The next prime is 50245430467. The reversal of 50245430421 is 12403454205.

It is not a de Polignac number, because 50245430421 - 21 = 50245430419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50245430621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248386 + ... + 402723.

It is an arithmetic number, because the mean of its divisors is an integer number (4336392600).

Almost surely, 250245430421 is an apocalyptic number.

It is an amenable number.

50245430421 is a deficient number, since it is larger than the sum of its proper divisors (19136851179).

50245430421 is a wasteful number, since it uses less digits than its factorization.

50245430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652028.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 50245430421 its reverse (12403454205), we get a palindrome (62648884626).

The spelling of 50245430421 in words is "fifty billion, two hundred forty-five million, four hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 29 87 887 2661 25723 77169 651109 1953327 18882161 56646483 577533683 1732601049 16748476807 50245430421