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30111211302 = 236760774231
BaseRepresentation
bin11100000010110001…
…001001111100100110
32212201111120000121020
4130002301021330212
5443131432230202
621455523432010
72114120034024
oct340261117446
985644500536
1030111211302
1111851aa27a7
125a04225606
132abb4328c3
141659117714
15bb37955bc
hex702c49f26

30111211302 has 16 divisors (see below), whose sum is σ = 60224124672. Its totient is φ = 10036786760.

The previous prime is 30111211297. The next prime is 30111211303. The reversal of 30111211302 is 20311211103.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111211303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368527 + ... + 442757.

It is an arithmetic number, because the mean of its divisors is an integer number (3764007792).

Almost surely, 230111211302 is an apocalyptic number.

30111211302 is an abundant number, since it is smaller than the sum of its proper divisors (30112913370).

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

30111211302 is a wasteful number, since it uses less digits than its factorization.

30111211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141843.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30111211302 its reverse (20311211103), we get a palindrome (50422422405).

The spelling of 30111211302 in words is "thirty billion, one hundred eleven million, two hundred eleven thousand, three hundred two".

Divisors: 1 2 3 6 67607 74231 135214 148462 202821 222693 405642 445386 5018535217 10037070434 15055605651 30111211302