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30131102294 = 2174121614851
BaseRepresentation
bin11100000011111101…
…000010001001010110
32212202212222120220122
4130003331002021112
5443202030233134
621501514031542
72114451100166
oct340375021126
985685876818
1030131102294
1111862249137
125a0aa185b2
132ac25a8517
14165ba145a6
15bb53c402e
hex703f42256

30131102294 has 16 divisors (see below), whose sum is σ = 49022484336. Its totient is φ = 13833504000.

The previous prime is 30131102269. The next prime is 30131102297. The reversal of 30131102294 is 49220113103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131102297) 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, 10806032 + ... + 10808819.

It is an arithmetic number, because the mean of its divisors is an integer number (3063905271).

Almost surely, 230131102294 is an apocalyptic number.

30131102294 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30131102294 is a deficient number, since it is larger than the sum of its proper divisors (18891382042).

30131102294 is a wasteful number, since it uses less digits than its factorization.

30131102294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21614911.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 30131102294 its reverse (49220113103), we get a palindrome (79351215397).

The spelling of 30131102294 in words is "thirty billion, one hundred thirty-one million, one hundred two thousand, two hundred ninety-four".

Divisors: 1 2 17 34 41 82 697 1394 21614851 43229702 367452467 734904934 886208891 1772417782 15065551147 30131102294