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30169515516 = 22371512378549
BaseRepresentation
bin11100000110001111…
…100100010111111100
32212212120021011221120
4130012033210113330
5443241343444031
621505405230540
72115425436120
oct340617442774
985776234846
1030169515516
11118819a55a8
125a1b862450
132aca537a3a
141662b73580
15bb8960a96
hex7063e45fc

30169515516 has 48 divisors (see below), whose sum is σ = 80984870400. Its totient is φ = 8562772800.

The previous prime is 30169515491. The next prime is 30169515517. The reversal of 30169515516 is 61551596103.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30169515517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176591 + ... + 1201958.

It is an arithmetic number, because the mean of its divisors is an integer number (1687184800).

Almost surely, 230169515516 is an apocalyptic number.

It is an amenable number.

30169515516 is an abundant number, since it is smaller than the sum of its proper divisors (50815354884).

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

30169515516 is a wasteful number, since it uses less digits than its factorization.

30169515516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378714 (or 2378712 counting only the distinct ones).

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

The spelling of 30169515516 in words is "thirty billion, one hundred sixty-nine million, five hundred fifteen thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 151 302 453 604 906 1057 1812 2114 3171 4228 6342 12684 2378549 4757098 7135647 9514196 14271294 16649843 28542588 33299686 49949529 66599372 99899058 199798116 359160899 718321798 1077482697 1436643596 2154965394 2514126293 4309930788 5028252586 7542378879 10056505172 15084757758 30169515516