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30005550055 = 513597824133
BaseRepresentation
bin11011111100011110…
…000101101111100111
32212110010201212121201
4123330132011233213
5442422410100210
621441231023331
72111364652525
oct337436055747
985403655551
1030005550055
11117a8394958
12599496ab47
132aa2589360
141649091315
15ba937353a
hex6fc785be7

30005550055 has 16 divisors (see below), whose sum is σ = 39433635360. Its totient is φ = 21782383488.

The previous prime is 30005550053. The next prime is 30005550067. The reversal of 30005550055 is 55005550003.

It is a cyclic number.

It is not a de Polignac number, because 30005550055 - 21 = 30005550053 is a prime.

It is a super-2 number, since 2×300055500552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30005550053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3908232 + ... + 3915901.

It is an arithmetic number, because the mean of its divisors is an integer number (2464602210).

Almost surely, 230005550055 is an apocalyptic number.

30005550055 is a deficient number, since it is larger than the sum of its proper divisors (9428085305).

30005550055 is a wasteful number, since it uses less digits than its factorization.

30005550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824210.

The product of its (nonzero) digits is 9375, while the sum is 28.

The spelling of 30005550055 in words is "thirty billion, five million, five hundred fifty thousand, fifty-five".

Divisors: 1 5 13 59 65 295 767 3835 7824133 39120665 101713729 461623847 508568645 2308119235 6001110011 30005550055