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30429839188 = 2271086779971
BaseRepresentation
bin11100010101110000…
…100111111101010100
32220112201002222220001
4130111300213331110
5444310014323223
621551305021044
72125036236220
oct342560477524
986481088801
1030429839188
11119a593a631
125a92a84784
132b3c453408
141689579780
15bd17339ad
hex715c27f54

30429839188 has 12 divisors (see below), whose sum is σ = 60859678432. Its totient is φ = 13041359640.

The previous prime is 30429839173. The next prime is 30429839207. The reversal of 30429839188 is 88193892403.

30429839188 is an admirable number.

It is a super-2 number, since 2×304298391882 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543389958 + ... + 543390013.

Almost surely, 230429839188 is an apocalyptic number.

It is an amenable number.

30429839188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30429839188 is a wasteful number, since it uses less digits than its factorization.

30429839188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086779982 (or 1086779980 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 30429839188 in words is "thirty billion, four hundred twenty-nine million, eight hundred thirty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1086779971 2173559942 4347119884 7607459797 15214919594 30429839188