Search a number
-
+
51471406294 = 27111719660583
BaseRepresentation
bin101111111011111011…
…110101010011010110
311220212010112100121021
4233323323311103112
51320403140000134
635351242511354
73501336510010
oct577373652326
9156763470537
1051471406294
111a9132a3410
129b8580555a
134b13860139
1426c3d0d1b0
151513b420b4
hexbfbef54d6

51471406294 has 32 divisors (see below), whose sum is σ = 101920467456. Its totient is φ = 18874158720.

The previous prime is 51471406279. The next prime is 51471406309. The reversal of 51471406294 is 49260417415.

It is an interprime number because it is at equal distance from previous prime (51471406279) and next prime (51471406309).

It is a self number, because there is not a number n which added to its sum of digits gives 51471406294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9827674 + ... + 9832909.

It is an arithmetic number, because the mean of its divisors is an integer number (3185014608).

Almost surely, 251471406294 is an apocalyptic number.

51471406294 is a deficient number, since it is larger than the sum of its proper divisors (50449061162).

51471406294 is a wasteful number, since it uses less digits than its factorization.

51471406294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19660620.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 51471406294 in words is "fifty-one billion, four hundred seventy-one million, four hundred six thousand, two hundred ninety-four".

Divisors: 1 2 7 11 14 17 22 34 77 119 154 187 238 374 1309 2618 19660583 39321166 137624081 216266413 275248162 334229911 432532826 668459822 1513864891 2339609377 3027729782 3676529021 4679218754 7353058042 25735703147 51471406294