Search a number
-
+
520928868141 = 33119111925323
BaseRepresentation
bin1111001010010011100…
…01111011011100101101
31211210121102120101001000
413211021301323130231
532013330242240031
61035151133310513
752431050214543
oct7451161733455
91753542511030
10520928868141
11190a19846940
1284b62035439
133a17b0b8b16
141b2daa1bd93
15d83d1ce3e6
hex7949c7b72d

520928868141 has 32 divisors (see below), whose sum is σ = 842829834240. Its totient is φ = 315367743600.

The previous prime is 520928868127. The next prime is 520928868193. The reversal of 520928868141 is 141868829025.

520928868141 is a `hidden beast` number, since 520 + 9 + 28 + 86 + 8 + 14 + 1 = 666.

It is not a de Polignac number, because 520928868141 - 214 = 520928851757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520928868121) 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 31 ways as a sum of consecutive naturals, for example, 692095 + ... + 1233228.

It is an arithmetic number, because the mean of its divisors is an integer number (26338432320).

Almost surely, 2520928868141 is an apocalyptic number.

It is an amenable number.

520928868141 is a deficient number, since it is larger than the sum of its proper divisors (321900966099).

520928868141 is a wasteful number, since it uses less digits than its factorization.

520928868141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926254 (or 1926248 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 520928868141 in words is "five hundred twenty billion, nine hundred twenty-eight million, eight hundred sixty-eight thousand, one hundred forty-one".

Divisors: 1 3 9 11 27 33 99 297 911 2733 8199 10021 24597 30063 90189 270567 1925323 5775969 17327907 21178553 51983721 63535659 190606977 571820931 1753969253 5261907759 15785723277 19293661783 47357169831 57880985349 173642956047 520928868141