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30105939933923 = 72197112713726177
BaseRepresentation
bin1101101100001100101011…
…10110101111101011100011
310221121002200201101000020112
412312012111312233223203
512421223431110341143
6144010251115401535
76225040154102300
oct666062566575343
9127532621330215
1030105939933923
119657948261457
1234628964532ab
1313a4c93746699
147611c72620a7
153731d0733e18
hex1b6195dafae3

30105939933923 has 96 divisors (see below), whose sum is σ = 37954464399360. Its totient is φ = 23737368453120.

The previous prime is 30105939933899. The next prime is 30105939933947. The reversal of 30105939933923 is 32933993950103.

It is an interprime number because it is at equal distance from previous prime (30105939933899) and next prime (30105939933947).

It is not a de Polignac number, because 30105939933923 - 224 = 30105923156707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30105939933973) 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, 1150078211 + ... + 1150104387.

It is an arithmetic number, because the mean of its divisors is an integer number (395359004160).

Almost surely, 230105939933923 is an apocalyptic number.

30105939933923 is a deficient number, since it is larger than the sum of its proper divisors (7848524465437).

30105939933923 is a wasteful number, since it uses less digits than its factorization.

30105939933923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26545 (or 26538 counting only the distinct ones).

The product of its (nonzero) digits is 15943230, while the sum is 59.

The spelling of 30105939933923 in words is "thirty trillion, one hundred five billion, nine hundred thirty-nine million, nine hundred thirty-three thousand, nine hundred twenty-three".

Divisors: 1 7 19 49 71 127 133 137 497 889 931 959 1349 2413 2603 3479 6223 6713 9017 9443 9727 16891 17399 18221 26177 63119 66101 68089 118237 121793 127547 171323 183239 184813 330581 441833 476623 497363 852551 1199261 1235329 1282673 1293691 1858567 2314067 3324479 3481541 3586249 8394827 8647303 9055837 13009969 16198469 23271353 23471251 24370787 25103743 35312773 60531121 63165101 68138731 91069783 162899471 164298757 175726201 236038009 247189411 254623679 442155707 455453623 476971117 1150091299 1652266063 1730325877 1782365753 3095089949 3188175361 3338797819 4484722171 4837849901 8653618837 11565862441 12476560271 22317227527 31393055197 32337207233 33864949307 60575331859 219751386379 226360450631 237054645149 424027323013 614406937427 1584523154417 4300848561989 30105939933923