Search a number
-
+
428024601279 = 321122337461861
BaseRepresentation
bin1100011101010000100…
…00010001101010111111
31111220210202210121202100
412032220100101222333
524003043244220104
6524344244400143
742631564036632
oct6165020215277
91456722717670
10428024601279
11155584802100
126ab546a6053
1331493690952
1416a06117c19
15b201dbe139
hex63a8411abf

428024601279 has 72 divisors (see below), whose sum is σ = 728286170976. Its totient is φ = 241423459200.

The previous prime is 428024601253. The next prime is 428024601397. The reversal of 428024601279 is 972106420824.

428024601279 is a `hidden beast` number, since 4 + 280 + 246 + 0 + 127 + 9 = 666.

It is not a de Polignac number, because 428024601279 - 25 = 428024601247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428024602279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 695809 + ... + 1157669.

It is an arithmetic number, because the mean of its divisors is an integer number (10115085708).

Almost surely, 2428024601279 is an apocalyptic number.

428024601279 is a deficient number, since it is larger than the sum of its proper divisors (300261569697).

428024601279 is a wasteful number, since it uses less digits than its factorization.

428024601279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461949 (or 461935 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 428024601279 in words is "four hundred twenty-eight billion, twenty-four million, six hundred one thousand, two hundred seventy-nine".

Divisors: 1 3 9 11 23 33 37 69 99 111 121 207 253 333 363 407 759 851 1089 1221 2277 2553 2783 3663 4477 7659 8349 9361 13431 25047 28083 40293 84249 102971 308913 461861 926739 1385583 4156749 5080471 10622803 15241413 17088857 31868409 45724239 51266571 55885181 95605227 116850833 153799713 167655543 187977427 350552499 393043711 502966629 563932281 1051657497 1179131133 1285359163 1691796843 2067751697 3537393399 3856077489 4323480821 6203255091 11568232467 12970442463 18609765273 38911327389 47558289031 142674867093 428024601279