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30155229195 = 3571341538823
BaseRepresentation
bin11100000101011001…
…000100100000001011
32212211120101100210120
4130011121010200023
5443224214313240
621504135114323
72115163135050
oct340531044013
985746340716
1030155229195
1111874928023
125a16b129a3
132ac75a51b0
141660cd5027
15bb758cad0
hex70564480b

30155229195 has 64 divisors (see below), whose sum is σ = 60831074304. Its totient is φ = 12414458880.

The previous prime is 30155229193. The next prime is 30155229233. The reversal of 30155229195 is 59192255103.

It is not a de Polignac number, because 30155229195 - 21 = 30155229193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30155229191) 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 63 ways as a sum of consecutive naturals, for example, 213447 + ... + 325376.

It is an arithmetic number, because the mean of its divisors is an integer number (950485536).

Almost surely, 230155229195 is an apocalyptic number.

30155229195 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30155229195 is an abundant number, since it is smaller than the sum of its proper divisors (30675845109).

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

30155229195 is a wasteful number, since it uses less digits than its factorization.

30155229195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538892.

The product of its (nonzero) digits is 121500, while the sum is 42.

The spelling of 30155229195 in words is "thirty billion, one hundred fifty-five million, two hundred twenty-nine thousand, one hundred ninety-five".

Divisors: 1 3 5 7 13 15 21 35 39 41 65 91 105 123 195 205 273 287 455 533 615 861 1365 1435 1599 2665 3731 4305 7995 11193 18655 55965 538823 1616469 2694115 3771761 7004699 8082345 11315283 18858805 21014097 22091743 35023495 49032893 56576415 66275229 105070485 110458715 147098679 154642201 245164465 287192659 331376145 463926603 735493395 773211005 861577977 1435963295 2010348613 2319633015 4307889885 6031045839 10051743065 30155229195