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30112100033 = 29273490481
BaseRepresentation
bin11100000010110100…
…100010111011000001
32212201120020011201012
4130002310202323001
5443132144200113
621455554450305
72114130425051
oct340264427301
985646204635
1030112100033
111185254a494
125a04593995
132abb684292
1416592a9561
15bb38bdaa8
hex702d22ec1

30112100033 has 12 divisors (see below), whose sum is σ = 31613526828. Its totient is φ = 28675422720.

The previous prime is 30112100023. The next prime is 30112100047. The reversal of 30112100033 is 33000121103.

It can be written as a sum of positive squares in 6 ways, for example, as 8809024 + 30103291009 = 2968^2 + 173503^2 .

It is not a de Polignac number, because 30112100033 - 210 = 30112099009 is a prime.

It is a super-4 number, since 4×301121000334 (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30112099990 and 30112100017.

It is not an unprimeable number, because it can be changed into a prime (30112100003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183848 + ... + 306633.

It is an arithmetic number, because the mean of its divisors is an integer number (2634460569).

Almost surely, 230112100033 is an apocalyptic number.

It is an amenable number.

30112100033 is a deficient number, since it is larger than the sum of its proper divisors (1501426795).

30112100033 is an equidigital number, since it uses as much as digits as its factorization.

30112100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490612 (or 490583 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30112100033 its reverse (33000121103), we get a palindrome (63112221136).

The spelling of 30112100033 in words is "thirty billion, one hundred twelve million, one hundred thousand, thirty-three".

Divisors: 1 29 73 841 2117 61393 490481 14223949 35805113 412494521 1038348277 30112100033