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30500628552 = 2332423619841
BaseRepresentation
bin11100011001111110…
…101010100001001000
32220201122022110122100
4130121332222201020
5444431130103202
622002314153400
72126556031212
oct343176524110
986648273570
1030500628552
1111a3189a739
125ab2722860
132b5100a304
141694b255b2
15bd7a6841c
hex719faa848

30500628552 has 24 divisors (see below), whose sum is σ = 82605869190. Its totient is φ = 10166876160.

The previous prime is 30500628551. The next prime is 30500628553. The reversal of 30500628552 is 25582600503.

It is a happy number.

30500628552 is a `hidden beast` number, since 30 + 50 + 0 + 6 + 28 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (30500628551) and next prime (30500628553).

It can be written as a sum of positive squares in only one way, i.e., 30445364196 + 55264356 = 174486^2 + 7434^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30500628551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211809849 + ... + 211809992.

Almost surely, 230500628552 is an apocalyptic number.

It is an amenable number.

30500628552 is an abundant number, since it is smaller than the sum of its proper divisors (52105240638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30500628552 is a wasteful number, since it uses less digits than its factorization.

30500628552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423619853 (or 423619846 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 30500628552 in words is "thirty billion, five hundred million, six hundred twenty-eight thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 423619841 847239682 1270859523 1694479364 2541719046 3388958728 3812578569 5083438092 7625157138 10166876184 15250314276 30500628552