Search a number
-
+
51510955054 = 2131981190579
BaseRepresentation
bin101111111110010010…
…101100110000101110
311220221212221122022011
4233332102230300232
51320443301030204
635355214311434
73502326615346
oct577622546056
9156855848264
1051510955054
111a933655a39
129b96ab857a
134b1bac9480
1426c9285d26
151517355304
hexbfe4acc2e

51510955054 has 8 divisors (see below), whose sum is σ = 83210004360. Its totient is φ = 23774286936.

The previous prime is 51510955031. The next prime is 51510955057. The reversal of 51510955054 is 45055901515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51510954998 and 51510955016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51510955057) 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, 990595264 + ... + 990595315.

It is an arithmetic number, because the mean of its divisors is an integer number (10401250545).

Almost surely, 251510955054 is an apocalyptic number.

51510955054 is a deficient number, since it is larger than the sum of its proper divisors (31699049306).

51510955054 is a wasteful number, since it uses less digits than its factorization.

51510955054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981190594.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 51510955054 in words is "fifty-one billion, five hundred ten million, nine hundred fifty-five thousand, fifty-four".

Divisors: 1 2 13 26 1981190579 3962381158 25755477527 51510955054