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105338990940 = 22351755649849
BaseRepresentation
bin110001000011010110…
…0010111000101011100
3101001220020220011221220
41202012230113011130
53211213240202230
6120220404053340
710416253435521
oct1420654270534
9331806804856
10105338990940
1140746129007
12184b9994250
139c1996b591
145154165148
152b17d02d10
hex1886b1715c

105338990940 has 24 divisors (see below), whose sum is σ = 294949174800. Its totient is φ = 28090397568.

The previous prime is 105338990917. The next prime is 105338990941. The reversal of 105338990940 is 49099833501.

It is a happy number.

It is a super-2 number, since 2×1053389909402 (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 (105338990941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 877824865 + ... + 877824984.

It is an arithmetic number, because the mean of its divisors is an integer number (12289548950).

Almost surely, 2105338990940 is an apocalyptic number.

105338990940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105338990940 is an abundant number, since it is smaller than the sum of its proper divisors (189610183860).

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

105338990940 is a wasteful number, since it uses less digits than its factorization.

105338990940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755649861 (or 1755649859 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 105338990940 in words is "one hundred five billion, three hundred thirty-eight million, nine hundred ninety thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1755649849 3511299698 5266949547 7022599396 8778249245 10533899094 17556498490 21067798188 26334747735 35112996980 52669495470 105338990940