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10008662139 = 32743167223
BaseRepresentation
bin10010101001001000…
…00001000001111011
3221211112001201100100
421110210001001323
5130444204142024
64333052210443
7503011140000
oct112444010173
927745051310
1010008662139
1142766a1003
121b33a69a23
13c367310b8
146ad3798a7
153d8a1e7c9
hex25490107b

10008662139 has 120 divisors (see below), whose sum is σ = 17748570112. Its totient is φ = 5427686880.

The previous prime is 10008662117. The next prime is 10008662141. The reversal of 10008662139 is 93126680001.

It is not a de Polignac number, because 10008662139 - 212 = 10008658043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10008662539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 44881782 + ... + 44882004.

Almost surely, 210008662139 is an apocalyptic number.

10008662139 is a deficient number, since it is larger than the sum of its proper divisors (7739907973).

10008662139 is an equidigital number, since it uses as much as digits as its factorization.

10008662139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 10008662139 in words is "ten billion, eight million, six hundred sixty-two thousand, one hundred thirty-nine".

Divisors: 1 3 7 9 21 31 49 63 67 93 147 201 217 223 279 343 441 469 603 651 669 1029 1407 1519 1561 1953 2007 2077 2401 3087 3283 4221 4557 4683 6231 6913 7203 9849 10633 10927 13671 14049 14539 14941 18693 20739 21609 22981 29547 31899 32781 43617 44823 48391 62217 68943 74431 76489 95697 98343 101773 104587 130851 134469 145173 160867 206829 223293 229467 305319 313761 338737 435519 463171 482601 535423 669879 688401 712411 732109 915957 941283 1016211 1389513 1447803 1606269 2137233 2196327 2371159 3048633 3242197 4168539 4818807 4986877 5124763 6411699 6588981 7113477 9726591 14960631 15374289 16598113 21340431 22695379 29179773 35873341 44881893 46122867 49794339 68086137 107620023 149383017 158867653 204258411 322860069 476602959 1112073571 1429808877 3336220713 10008662139