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30102344406 = 23212891297403
BaseRepresentation
bin11100000010001111…
…010101001011010110
32212200212212112111200
4130002033111023112
5443122200010111
621455005413330
72113651464021
oct340217251326
985625775450
1030102344406
1111847a96992
125a0126a246
132ab9649a14
141657c8a1b8
15bb2ae3256
hex7023d52d6

30102344406 has 24 divisors (see below), whose sum is σ = 65272395240. Its totient is φ = 10026322656.

The previous prime is 30102344381. The next prime is 30102344417. The reversal of 30102344406 is 60444320103.

It is a super-2 number, since 2×301023444062 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30102344406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625500 + ... + 671903.

It is an arithmetic number, because the mean of its divisors is an integer number (2719683135).

Almost surely, 230102344406 is an apocalyptic number.

30102344406 is an abundant number, since it is smaller than the sum of its proper divisors (35170050834).

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

30102344406 is a wasteful number, since it uses less digits than its factorization.

30102344406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298700 (or 1298697 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30102344406 its reverse (60444320103), we get a palindrome (90546664509).

The spelling of 30102344406 in words is "thirty billion, one hundred two million, three hundred forty-four thousand, four hundred six".

Divisors: 1 2 3 6 9 18 1289 2578 3867 7734 11601 23202 1297403 2594806 3892209 7784418 11676627 23353254 1672352467 3344704934 5017057401 10034114802 15051172203 30102344406