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30500303053 = 1116631667321
BaseRepresentation
bin11100011001111101…
…011011000011001101
32220201121200221010211
4130121331123003031
5444431034144203
622002303202421
72126553204223
oct343175330315
986647627124
1030500303053
1111a31698130
125ab25a6411
132b50c250cc
141694a7cb13
15bd7a01c6d
hex719f5b0cd

30500303053 has 8 divisors (see below), whose sum is σ = 33293085696. Its totient is φ = 27710858400.

The previous prime is 30500303047. The next prime is 30500303063. The reversal of 30500303053 is 35030300503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30500303053 - 25 = 30500303021 is a prime.

It is a super-4 number, since 4×305003030534 (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500303063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815368 + ... + 851953.

It is an arithmetic number, because the mean of its divisors is an integer number (4161635712).

Almost surely, 230500303053 is an apocalyptic number.

It is an amenable number.

30500303053 is a deficient number, since it is larger than the sum of its proper divisors (2792782643).

30500303053 is a wasteful number, since it uses less digits than its factorization.

30500303053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668995.

The product of its (nonzero) digits is 2025, while the sum is 22.

Adding to 30500303053 its reverse (35030300503), we get a palindrome (65530603556).

The spelling of 30500303053 in words is "thirty billion, five hundred million, three hundred three thousand, fifty-three".

Divisors: 1 11 1663 18293 1667321 18340531 2772754823 30500303053