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30202121033 = 73130367577
BaseRepresentation
bin11100001000001011…
…111100101101001001
32212221211121201022022
4130020023330231021
5443323220333113
621512532134225
72116302536000
oct341013745511
985854551268
1030202121033
1111899345607
125a2a767375
132b04212946
14166721dc37
15bbb751908
hex7082fcb49

30202121033 has 16 divisors (see below), whose sum is σ = 35248684800. Its totient is φ = 25867281888.

The previous prime is 30202121009. The next prime is 30202121041. The reversal of 30202121033 is 33012120203.

It is not a de Polignac number, because 30202121033 - 218 = 30201858889 is a prime.

It is a super-2 number, since 2×302021210332 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30202121083) 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 15 ways as a sum of consecutive naturals, for example, 413141 + ... + 480717.

It is an arithmetic number, because the mean of its divisors is an integer number (2203042800).

Almost surely, 230202121033 is an apocalyptic number.

It is an amenable number.

30202121033 is a deficient number, since it is larger than the sum of its proper divisors (5046563767).

30202121033 is an equidigital number, since it uses as much as digits as its factorization.

30202121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68901 (or 68887 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30202121033 its reverse (33012120203), we get a palindrome (63214241236).

The spelling of 30202121033 in words is "thirty billion, two hundred two million, one hundred twenty-one thousand, thirty-three".

Divisors: 1 7 49 343 1303 9121 63847 67577 446929 473039 3311273 23178911 88052831 616369817 4314588719 30202121033