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105544555412 = 2229909866857
BaseRepresentation
bin110001001001011110…
…0100001101110010100
3101002102120200221101212
41202102330201232110
53212123401233122
6120253030040552
710424330630042
oct1422274415624
9332376627355
10105544555412
11408411716aa
12185567a9158
139c5042356a
145173595392
152b2adaace2
hex1892f21b94

105544555412 has 12 divisors (see below), whose sum is σ = 191072040180. Its totient is φ = 50952543936.

The previous prime is 105544555321. The next prime is 105544555447. The reversal of 105544555412 is 214555445501.

105544555412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 86645454736 + 18899100676 = 294356^2 + 137474^2 .

It is a super-2 number, since 2×1055445554122 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105544555412.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 454933313 + ... + 454933544.

It is an arithmetic number, because the mean of its divisors is an integer number (15922670015).

Almost surely, 2105544555412 is an apocalyptic number.

It is an amenable number.

105544555412 is a deficient number, since it is larger than the sum of its proper divisors (85527484768).

105544555412 is a wasteful number, since it uses less digits than its factorization.

105544555412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909866890 (or 909866888 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 105544555412 in words is "one hundred five billion, five hundred forty-four million, five hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 4 29 58 116 909866857 1819733714 3639467428 26386138853 52772277706 105544555412