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30321130424145 = 3511267249341149
BaseRepresentation
bin1101110010011101100000…
…01101010100011101010001
310222100200010201020112212220
412321032300031110131101
512433240133342033040
6144253200210411253
76246425610064641
oct671166015243521
9128320121215786
1030321130424145
119730134721800
123498531290b29
1313bc368bb94c2
1476b79c992521
15378ac75992d0
hex1b93b0354751

30321130424145 has 48 divisors (see below), whose sum is σ = 54120992654400. Its totient is φ = 14481733875840.

The previous prime is 30321130424111. The next prime is 30321130424161. The reversal of 30321130424145 is 54142403112303.

It is not a de Polignac number, because 30321130424145 - 28 = 30321130423889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124548970 + ... + 124792179.

It is an arithmetic number, because the mean of its divisors is an integer number (1127520680300).

Almost surely, 230321130424145 is an apocalyptic number.

It is an amenable number.

30321130424145 is a deficient number, since it is larger than the sum of its proper divisors (23799862230255).

30321130424145 is a wasteful number, since it uses less digits than its factorization.

30321130424145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249341246 (or 249341235 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 30321130424145 its reverse (54142403112303), we get a palindrome (84463533536448).

The spelling of 30321130424145 in words is "thirty trillion, three hundred twenty-one billion, one hundred thirty million, four hundred twenty-four thousand, one hundred forty-five".

Divisors: 1 3 5 11 15 33 55 67 121 165 201 335 363 605 737 1005 1815 2211 3685 8107 11055 24321 40535 121605 249341149 748023447 1246705745 2742752639 3740117235 8228257917 13713763195 16705856983 30170279029 41141289585 50117570949 83529284915 90510837087 150851395145 183764426813 250587854745 452554185435 551293280439 918822134065 2021408694943 2756466402195 6064226084829 10107043474715 30321130424145