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105124403124040 = 23522311785246987
BaseRepresentation
bin10111111001110000101110…
…101101001001011101001000
3111210012210110101212010212111
4113321300232231021131020
5102234324234144432130
61011325252321552104
731066662465046216
oct2771605655113510
9453183411763774
10105124403124040
1130550010a81043
12b959991aa5634
13468725b6ac4c1
141bd60965cdcb6
15c247d87eb02a
hex5f9c2eb49748

105124403124040 has 32 divisors (see below), whose sum is σ = 237590579278080. Its totient is φ = 41861197294272.

The previous prime is 105124403124011. The next prime is 105124403124043. The reversal of 105124403124040 is 40421304421501.

It is a happy number.

It is a super-2 number, since 2×1051244031240402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105124403123993 and 105124403124011.

It is not an unprimeable number, because it can be changed into a prime (105124403124043) 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, 5892614574 + ... + 5892632413.

It is an arithmetic number, because the mean of its divisors is an integer number (7424705602440).

Almost surely, 2105124403124040 is an apocalyptic number.

105124403124040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105124403124040 is an abundant number, since it is smaller than the sum of its proper divisors (132466176154040).

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

105124403124040 is a wasteful number, since it uses less digits than its factorization.

105124403124040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11785247221 (or 11785247217 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 105124403124040 its reverse (40421304421501), we get a palindrome (145545707545541).

The spelling of 105124403124040 in words is "one hundred five trillion, one hundred twenty-four billion, four hundred three million, one hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 223 446 892 1115 1784 2230 4460 8920 11785246987 23570493974 47140987948 58926234935 94281975896 117852469870 235704939740 471409879480 2628110078101 5256220156202 10512440312404 13140550390505 21024880624808 26281100781010 52562201562020 105124403124040