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68244875325 = 34521128110903
BaseRepresentation
bin111111100011101101…
…100010100000111101
320112011002202212110000
4333203231202200331
52104231142002300
651203512304513
74634112604044
oct774355424075
9215132685400
1068244875325
1126a404a8a10
12112870a2139
13658793a243
1434358a155b
151b964bdc00
hexfe3b6283d

68244875325 has 120 divisors (see below), whose sum is σ = 138408659136. Its totient is φ = 32967648000.

The previous prime is 68244875323. The next prime is 68244875329. The reversal of 68244875325 is 52357844286.

68244875325 is a `hidden beast` number, since 6 + 8 + 24 + 4 + 87 + 532 + 5 = 666.

It is not a de Polignac number, because 68244875325 - 21 = 68244875323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68244875323) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6253824 + ... + 6264726.

Almost surely, 268244875325 is an apocalyptic number.

It is an amenable number.

68244875325 is an abundant number, since it is smaller than the sum of its proper divisors (70163783811).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68244875325 is a wasteful number, since it uses less digits than its factorization.

68244875325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217 (or 11203 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 68244875325 in words is "sixty-eight billion, two hundred forty-four million, eight hundred seventy-five thousand, three hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 27 33 45 55 75 81 99 135 165 225 275 281 297 405 495 675 825 843 891 1405 1485 2025 2475 2529 3091 4215 4455 7025 7425 7587 9273 10903 12645 15455 21075 22275 22761 27819 32709 37935 46365 54515 63225 77275 83457 98127 113805 119933 139095 163545 189675 231825 250371 272575 294381 359799 417285 490635 569025 599665 695475 817725 883143 1079397 1251855 1471905 1798995 2086425 2453175 2998325 3063743 3238191 4415715 5396985 6259275 7359525 8994975 9191229 9714573 15318715 16190955 22078575 26984925 27573687 33701173 45956145 48572865 76593575 80954775 82721061 101103519 137868435 168505865 229780725 242864325 248163183 303310557 413605305 505517595 689342175 842529325 909931671 1240815915 1516552785 2068026525 2527587975 2729795013 4549658355 6204079575 7582763925 13648975065 22748291775 68244875325