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30428284111 = 415938332843
BaseRepresentation
bin11100010101101010…
…101100010011001111
32220112121011222201121
4130111222230103033
5444304120042421
621551211421411
72125020101401
oct342552542317
986477158647
1030428284111
11119a4a78245
125a92454867
132b3c02a654
141689292b71
15bd1527d41
hex715aac4cf

30428284111 has 16 divisors (see below), whose sum is σ = 31782481920. Its totient is φ = 29105894080.

The previous prime is 30428284067. The next prime is 30428284121. The reversal of 30428284111 is 11148282403.

It is a cyclic number.

It is not a de Polignac number, because 30428284111 - 213 = 30428275919 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 (30428284121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 910056 + ... + 942898.

It is an arithmetic number, because the mean of its divisors is an integer number (1986405120).

Almost surely, 230428284111 is an apocalyptic number.

30428284111 is a deficient number, since it is larger than the sum of its proper divisors (1354197809).

30428284111 is a wasteful number, since it uses less digits than its factorization.

30428284111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33326.

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 30428284111 in words is "thirty billion, four hundred twenty-eight million, two hundred eighty-four thousand, one hundred eleven".

Divisors: 1 41 59 383 2419 15703 22597 32843 926477 1346563 1937737 12578869 79447217 515733629 742153271 30428284111