Search a number
-
+
51034321430 = 256776170629
BaseRepresentation
bin101111100001111000…
…011111001000010110
311212201200002010212222
4233201320133020112
51314004241241210
635240030342342
73454451401061
oct574170371026
9155650063788
1051034321430
111a7095a9054
129a8335a9b2
134a74135b41
142681c538d8
1514da5a5655
hexbe1e1f216

51034321430 has 16 divisors (see below), whose sum is σ = 93232851120. Its totient is φ = 20109045792.

The previous prime is 51034321381. The next prime is 51034321483. The reversal of 51034321430 is 3412343015.

It is a self number, because there is not a number n which added to its sum of digits gives 51034321430.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38084645 + ... + 38085984.

It is an arithmetic number, because the mean of its divisors is an integer number (5827053195).

Almost surely, 251034321430 is an apocalyptic number.

51034321430 is a deficient number, since it is larger than the sum of its proper divisors (42198529690).

51034321430 is a wasteful number, since it uses less digits than its factorization.

51034321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76170703.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 51034321430 its reverse (3412343015), we get a palindrome (54446664445).

The spelling of 51034321430 in words is "fifty-one billion, thirty-four million, three hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 76170629 152341258 380853145 761706290 5103432143 10206864286 25517160715 51034321430