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30153355524 = 2232837593209
BaseRepresentation
bin11100000101010001…
…111011000100000100
32212211102212011121100
4130011101323010010
5443223224334044
621504031020100
72115141202335
oct340521730404
985742764540
1030153355524
1111873868336
125a1636a630
132ac709a406
14166096828c
15bb731c869
hex70547b104

30153355524 has 18 divisors (see below), whose sum is σ = 76220982110. Its totient is φ = 10051118496.

The previous prime is 30153355523. The next prime is 30153355537. The reversal of 30153355524 is 42555335103.

30153355524 is a `hidden beast` number, since 30 + 1 + 53 + 3 + 55 + 524 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22509000900 + 7644354624 = 150030^2 + 87432^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 837593209 = 30153355524 / (3 + 0 + 1 + 5 + 3 + 3 + 5 + 5 + 5 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (30153355523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418796569 + ... + 418796640.

Almost surely, 230153355524 is an apocalyptic number.

It is an amenable number.

30153355524 is an abundant number, since it is smaller than the sum of its proper divisors (46067626586).

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

30153355524 is a wasteful number, since it uses less digits than its factorization.

30153355524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837593219 (or 837593214 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 30153355524 in words is "thirty billion, one hundred fifty-three million, three hundred fifty-five thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 837593209 1675186418 2512779627 3350372836 5025559254 7538338881 10051118508 15076677762 30153355524