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204857614430 = 25729269375149
BaseRepresentation
bin1011111011001001110…
…1110010000001011110
3201120202212202001202222
42332302131302001132
511324022022130210
6234035453345342
720541363664130
oct2766235620136
9646685661688
10204857614430
1179974867887
1233852498252
1316419816941
149cb52bb050
1554deb52655
hex2fb277205e

204857614430 has 64 divisors (see below), whose sum is σ = 437574960000. Its totient is φ = 67562654208.

The previous prime is 204857614427. The next prime is 204857614501. The reversal of 204857614430 is 34416758402.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358496 + ... + 733644.

It is an arithmetic number, because the mean of its divisors is an integer number (6837108750).

Almost surely, 2204857614430 is an apocalyptic number.

204857614430 is an abundant number, since it is smaller than the sum of its proper divisors (232717345570).

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

204857614430 is a wasteful number, since it uses less digits than its factorization.

204857614430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375461.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 204857614430 in words is "two hundred four billion, eight hundred fifty-seven million, six hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 269 290 406 538 1015 1345 1883 2030 2690 3766 7801 9415 15602 18830 39005 54607 78010 109214 273035 375149 546070 750298 1875745 2626043 3751490 5252086 10879321 13130215 21758642 26260430 54396605 76155247 100915081 108793210 152310494 201830162 380776235 504575405 706405567 761552470 1009150810 1412811134 2926537349 3532027835 5853074698 7064055670 14632686745 20485761443 29265373490 40971522886 102428807215 204857614430