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105550424420 = 2257753931603
BaseRepresentation
bin110001001001101001…
…0111010100101100100
3101002102222202010011112
41202103102322211210
53212131402040140
6120253355524152
710424431542620
oct1422322724544
9332388663145
10105550424420
1140844510121
1218558759658
139c516c9a4c
145174282180
152b2b669c65
hex18934ba964

105550424420 has 24 divisors (see below), whose sum is σ = 253321018944. Its totient is φ = 36188716896.

The previous prime is 105550424411. The next prime is 105550424459. The reversal of 105550424420 is 24424055501.

105550424420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055504244202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 376965662 + ... + 376965941.

It is an arithmetic number, because the mean of its divisors is an integer number (10555042456).

Almost surely, 2105550424420 is an apocalyptic number.

105550424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105550424420 is an abundant number, since it is smaller than the sum of its proper divisors (147770594524).

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

105550424420 is a wasteful number, since it uses less digits than its factorization.

105550424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753931619 (or 753931617 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 105550424420 its reverse (24424055501), we get a palindrome (129974479921).

The spelling of 105550424420 in words is "one hundred five billion, five hundred fifty million, four hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 753931603 1507863206 3015726412 3769658015 5277521221 7539316030 10555042442 15078632060 21110084884 26387606105 52775212210 105550424420