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30243543250 = 253120974173
BaseRepresentation
bin11100001010101001…
…111101100011010010
32220001201120011220111
4130022221331203102
5443414321341000
621521012031534
72120314606324
oct341251754322
986051504814
1030243543250
111190a767748
125a406025aa
132b0c98692b
14166c923614
15bc01d4cba
hex70aa7d8d2

30243543250 has 16 divisors (see below), whose sum is σ = 56615913432. Its totient is φ = 12097417200.

The previous prime is 30243543247. The next prime is 30243543271. The reversal of 30243543250 is 5234534203.

It can be written as a sum of positive squares in 4 ways, for example, as 1921682569 + 28321860681 = 43837^2 + 168291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60486837 + ... + 60487336.

Almost surely, 230243543250 is an apocalyptic number.

30243543250 is a deficient number, since it is larger than the sum of its proper divisors (26372370182).

30243543250 is a wasteful number, since it uses less digits than its factorization.

30243543250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120974190 (or 120974180 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 30243543250 in words is "thirty billion, two hundred forty-three million, five hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 120974173 241948346 604870865 1209741730 3024354325 6048708650 15121771625 30243543250