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428199186075 = 35229377372889
BaseRepresentation
bin1100011101100101010…
…10010000111010011011
31111221020221022110001220
412032302222100322123
524003422442423300
6524413442343123
742636114012333
oct6166252207233
91457227273056
10428199186075
11155664306261
126aba305aaa3
13314c08b9a6b
1416a213a20c3
15b2123a7da0
hex63b2a90e9b

428199186075 has 96 divisors (see below), whose sum is σ = 762476049600. Its totient is φ = 211596779520.

The previous prime is 428199186071. The next prime is 428199186241. The reversal of 428199186075 is 570681991824.

It is not a de Polignac number, because 428199186075 - 22 = 428199186071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428199186071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5838231 + ... + 5911119.

It is an arithmetic number, because the mean of its divisors is an integer number (7942458850).

Almost surely, 2428199186075 is an apocalyptic number.

428199186075 is a deficient number, since it is larger than the sum of its proper divisors (334276863525).

428199186075 is a wasteful number, since it uses less digits than its factorization.

428199186075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73041 (or 73036 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 428199186075 in words is "four hundred twenty-eight billion, one hundred ninety-nine million, one hundred eighty-six thousand, seventy-five".

Divisors: 1 3 5 15 25 29 37 73 75 87 111 145 185 219 365 435 555 725 925 1073 1095 1825 2117 2175 2701 2775 3219 5365 5475 6351 8103 10585 13505 16095 26825 31755 40515 52925 67525 72889 78329 80475 158775 202575 218667 234987 364445 391645 1093335 1174935 1822225 1958225 2113781 2696893 5320897 5466675 5874675 6341343 8090679 10568905 13484465 15962691 26604485 31706715 40453395 52844525 67422325 78209897 79813455 133022425 154306013 158533575 196873189 202266975 234629691 391049485 399067275 462918039 590619567 771530065 984365945 1173148455 1955247425 2314590195 2953097835 3857650325 4921829725 5709322481 5865742275 11572950975 14765489175 17127967443 28546612405 85639837215 142733062025 428199186075