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30018334564 = 22866292
BaseRepresentation
bin11011111101001110…
…110110111101100100
32212111000210101200001
4123331032312331210
5442434143201224
621442405031044
72111611430251
oct337516667544
985430711601
1030018334564
1111804627069
1259990b5484
132aa511445a
14164aa5c428
15baa54b544
hex6fd3b6f64

30018334564 has 9 divisors (see below), whose sum is σ = 52532691897. Its totient is φ = 15008994024.

The previous prime is 30018334559. The next prime is 30018334573. The reversal of 30018334564 is 46543381003.

The square root of 30018334564 is 173258.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15589520164 + 14428814400 = 124858^2 + 120120^2 .

It is a super-2 number, since 2×300183345642 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 303202 + ... + 389830.

Almost surely, 230018334564 is an apocalyptic number.

30018334564 is the 173258-th square number.

It is an amenable number.

30018334564 is a deficient number, since it is larger than the sum of its proper divisors (22514357333).

30018334564 is an frugal number, since it uses more digits than its factorization.

30018334564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173262 (or 86631 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 30018334564 in words is "thirty billion, eighteen million, three hundred thirty-four thousand, five hundred sixty-four".

Divisors: 1 2 4 86629 173258 346516 7504583641 15009167282 30018334564