Search a number
-
+
468820576511 = 71812931262881
BaseRepresentation
bin1101101001001111110…
…00100100100011111111
31122211002220121212222222
412310213320210203333
530140121031422021
6555212335555555
745604545102140
oct6644770444377
91584086555888
10468820576511
11170909aa2111
1276a3b08bbbb
1335295617171
14189962c3ac7
15c2dd6d56ab
hex6d27e248ff

468820576511 has 16 divisors (see below), whose sum is σ = 540594320448. Its totient is φ = 398261836800.

The previous prime is 468820576489. The next prime is 468820576529. The reversal of 468820576511 is 115675028864.

It is a cyclic number.

It is not a de Polignac number, because 468820576511 - 222 = 468816382207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468820576111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260210 + ... + 1002671.

It is an arithmetic number, because the mean of its divisors is an integer number (33787145028).

Almost surely, 2468820576511 is an apocalyptic number.

468820576511 is a deficient number, since it is larger than the sum of its proper divisors (71773743937).

468820576511 is a wasteful number, since it uses less digits than its factorization.

468820576511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263362.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 468820576511 in words is "four hundred sixty-eight billion, eight hundred twenty million, five hundred seventy-six thousand, five hundred eleven".

Divisors: 1 7 181 293 1267 2051 53033 371231 1262881 8840167 228581461 370024133 1600070227 2590168931 66974368073 468820576511