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30111011233 = 318579831153
BaseRepresentation
bin11100000010110000…
…011001000110100001
32212201111011212011021
4130002300121012201
5443131404324413
621455515245441
72114115241522
oct340260310641
985644155137
1030111011233
1111851976456
125a04149881
132abb392814
1416590a4849
15bb375618d
hex702c191a1

30111011233 has 16 divisors (see below), whose sum is σ = 31177276416. Its totient is φ = 29050859520.

The previous prime is 30111011221. The next prime is 30111011251. The reversal of 30111011233 is 33211011103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30111011233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26114785 + ... + 26115937.

It is an arithmetic number, because the mean of its divisors is an integer number (1948579776).

Almost surely, 230111011233 is an apocalyptic number.

It is an amenable number.

30111011233 is a deficient number, since it is larger than the sum of its proper divisors (1066265183).

30111011233 is a wasteful number, since it uses less digits than its factorization.

30111011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30111011233 its reverse (33211011103), we get a palindrome (63322022336).

The spelling of 30111011233 in words is "thirty billion, one hundred eleven million, eleven thousand, two hundred thirty-three".

Divisors: 1 31 857 983 1153 26567 30473 35743 842431 988121 1133399 26115361 30631751 35135369 971322943 30111011233