Base | Representation |
---|---|
bin | 11100000011111101… |
… | …000010001001010110 |
3 | 2212202212222120220122 |
4 | 130003331002021112 |
5 | 443202030233134 |
6 | 21501514031542 |
7 | 2114451100166 |
oct | 340375021126 |
9 | 85685876818 |
10 | 30131102294 |
11 | 11862249137 |
12 | 5a0aa185b2 |
13 | 2ac25a8517 |
14 | 165ba145a6 |
15 | bb53c402e |
hex | 703f42256 |
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".
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