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30103013133 = 323344779237
BaseRepresentation
bin11100000010010001…
…111000011100001101
32212200221010111211100
4130002101320130031
5443122332410013
621455032013313
72113660250454
oct340221703415
985627114740
1030103013133
1111848403356
125a01531239
132ab982220b
141657dc1b9b
15bb2bc6473
hex70247870d

30103013133 has 6 divisors (see below), whose sum is σ = 43482130094. Its totient is φ = 20068675416.

The previous prime is 30103013131. The next prime is 30103013137. The reversal of 30103013133 is 33131030103.

30103013133 is a `hidden beast` number, since 301 + 0 + 301 + 31 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22672228329 + 7430784804 = 150573^2 + 86202^2 .

It is not a de Polignac number, because 30103013133 - 21 = 30103013131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103013131) 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, 1672389610 + ... + 1672389627.

Almost surely, 230103013133 is an apocalyptic number.

It is an amenable number.

30103013133 is a deficient number, since it is larger than the sum of its proper divisors (13379116961).

30103013133 is a wasteful number, since it uses less digits than its factorization.

30103013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344779243 (or 3344779240 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 30103013133 its reverse (33131030103), we get a palindrome (63234043236).

The spelling of 30103013133 in words is "thirty billion, one hundred three million, thirteen thousand, one hundred thirty-three".

Divisors: 1 3 9 3344779237 10034337711 30103013133