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30246145305 = 3516131250099
BaseRepresentation
bin11100001010110011…
…111000110100011001
32220001220110101020220
4130022303320310121
5443421003122210
621521143510253
72120345664435
oct341263706431
986056411226
1030246145305
1111911184702
125a41458389
132b103880cc
14166cddd9c5
15bc054ac70
hex70acf8d19

30246145305 has 16 divisors (see below), whose sum is σ = 48423873600. Its totient is φ = 16121263808.

The previous prime is 30246145253. The next prime is 30246145309. The reversal of 30246145305 is 50354164203.

It is a cyclic number.

It is not a de Polignac number, because 30246145305 - 29 = 30246144793 is a prime.

It is a super-2 number, since 2×302461453052 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30246145309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600855 + ... + 649244.

It is an arithmetic number, because the mean of its divisors is an integer number (3026492100).

Almost surely, 230246145305 is an apocalyptic number.

It is an amenable number.

30246145305 is a deficient number, since it is larger than the sum of its proper divisors (18177728295).

30246145305 is a wasteful number, since it uses less digits than its factorization.

30246145305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251720.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 30246145305 in words is "thirty billion, two hundred forty-six million, one hundred forty-five thousand, three hundred five".

Divisors: 1 3 5 15 1613 4839 8065 24195 1250099 3750297 6250495 18751485 2016409687 6049229061 10082048435 30246145305