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30049872250 = 253120199489
BaseRepresentation
bin11011111111000111…
…001010100101111010
32212120020010200020111
4123333013022211322
5443020231403000
621445453014534
72112443461666
oct337707124572
985506120214
1030049872250
1111820407872
1259a778444a
132aab8072c8
141650d0b8a6
15bad1cacba
hex6ff1ca97a

30049872250 has 16 divisors (see below), whose sum is σ = 56253361320. Its totient is φ = 12019948800.

The previous prime is 30049872241. The next prime is 30049872283. The reversal of 30049872250 is 5227894003.

It can be written as a sum of positive squares in 4 ways, for example, as 13729043241 + 16320829009 = 117171^2 + 127753^2 .

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, 60099495 + ... + 60099994.

Almost surely, 230049872250 is an apocalyptic number.

30049872250 is a deficient number, since it is larger than the sum of its proper divisors (26203489070).

30049872250 is a wasteful number, since it uses less digits than its factorization.

30049872250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120199506 (or 120199496 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 30049872250 in words is "thirty billion, forty-nine million, eight hundred seventy-two thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 120199489 240398978 600997445 1201994890 3004987225 6009974450 15024936125 30049872250