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30634533133 = 138323221471
BaseRepresentation
bin11100100001111101…
…011110000100001101
32221001222021112012021
4130201331132010031
51000214420030013
622023500210141
72133103143451
oct344175360415
987058245167
1030634533133
1111aa0439186
125b2b539951
132b729920a9
1416a8820661
15be46b8a8d
hex721f5e10d

30634533133 has 4 divisors (see below), whose sum is σ = 30634892928. Its totient is φ = 30634173340.

The previous prime is 30634533091. The next prime is 30634533173. The reversal of 30634533133 is 33133543603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30634533133 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 (30634533173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27588 + ... + 249058.

It is an arithmetic number, because the mean of its divisors is an integer number (7658723232).

Almost surely, 230634533133 is an apocalyptic number.

It is an amenable number.

30634533133 is a deficient number, since it is larger than the sum of its proper divisors (359795).

30634533133 is a wasteful number, since it uses less digits than its factorization.

30634533133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359794.

The product of its (nonzero) digits is 87480, while the sum is 34.

The spelling of 30634533133 in words is "thirty billion, six hundred thirty-four million, five hundred thirty-three thousand, one hundred thirty-three".

Divisors: 1 138323 221471 30634533133