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105343506012 = 22380369109229
BaseRepresentation
bin110001000011011110…
…1100101011001011100
3101001220120101120110210
41202012331211121130
53211220414143022
6120221044532420
710416340012143
oct1420675453134
9331816346423
10105343506012
1140748732278
12184bb3b1110
139c1a88c714
1451549bc75a
152b183e5a0c
hex1886f6565c

105343506012 has 24 divisors (see below), whose sum is σ = 245806822800. Its totient is φ = 35113743616.

The previous prime is 105343505987. The next prime is 105343506017. The reversal of 105343506012 is 210605343501.

It is a super-2 number, since 2×1053435060122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105343506017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909814 + ... + 1019042.

It is an arithmetic number, because the mean of its divisors is an integer number (10241950950).

Almost surely, 2105343506012 is an apocalyptic number.

105343506012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105343506012 is an abundant number, since it is smaller than the sum of its proper divisors (140463316788).

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

105343506012 is a wasteful number, since it uses less digits than its factorization.

105343506012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189605 (or 189603 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 105343506012 its reverse (210605343501), we get a palindrome (315948849513).

The spelling of 105343506012 in words is "one hundred five billion, three hundred forty-three million, five hundred six thousand, twelve".

Divisors: 1 2 3 4 6 12 80369 109229 160738 218458 241107 321476 327687 436916 482214 655374 964428 1310748 8778625501 17557251002 26335876503 35114502004 52671753006 105343506012