Search a number
-
+
51783009104 = 243236438069
BaseRepresentation
bin110000001110100000…
…100000001101010000
311221122211212102022002
4300032200200031100
51322022422242404
635442213333132
73512142213011
oct601640401520
9157584772262
1051783009104
111aa631821a2
12a0520371a8
134b632911b8
142713463008
151531193c1e
hexc0e820350

51783009104 has 10 divisors (see below), whose sum is σ = 100329580170. Its totient is φ = 25891504544.

The previous prime is 51783009101. The next prime is 51783009151. The reversal of 51783009104 is 40190038715.

It can be written as a sum of positive squares in only one way, i.e., 47193217600 + 4589791504 = 217240^2 + 67748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51783009101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618219019 + ... + 1618219050.

It is an arithmetic number, because the mean of its divisors is an integer number (10032958017).

Almost surely, 251783009104 is an apocalyptic number.

It is an amenable number.

51783009104 is a deficient number, since it is larger than the sum of its proper divisors (48546571066).

51783009104 is a wasteful number, since it uses less digits than its factorization.

51783009104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236438077 (or 3236438071 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 51783009104 in words is "fifty-one billion, seven hundred eighty-three million, nine thousand, one hundred four".

Divisors: 1 2 4 8 16 3236438069 6472876138 12945752276 25891504552 51783009104