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5561101205 = 5114311320809
BaseRepresentation
bin1010010110111011…
…11010101110010101
3112100120012012201022
411023131322232111
542342120214310
62315453410525
7254544403022
oct51335725625
915316165638
105561101205
1123a4107710
1210b2499a45
136a8187c3a
143aa800549
1522833da55
hex14b77ab95

5561101205 has 32 divisors (see below), whose sum is σ = 7515573120. Its totient is φ = 3915233280.

The previous prime is 5561101201. The next prime is 5561101211. The reversal of 5561101205 is 5021011655.

5561101205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5561101205 - 22 = 5561101201 is a prime.

It is a super-2 number, since 2×55611012052 = 61851693224504904050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561101201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256841 + ... + 277649.

It is an arithmetic number, because the mean of its divisors is an integer number (234861660).

Almost surely, 25561101205 is an apocalyptic number.

5561101205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5561101205 is a deficient number, since it is larger than the sum of its proper divisors (1954471915).

5561101205 is a wasteful number, since it uses less digits than its factorization.

5561101205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20981.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 5561101205 is about 74572.7913182818. The cubic root of 5561101205 is about 1771.6867325159.

The spelling of 5561101205 in words is "five billion, five hundred sixty-one million, one hundred one thousand, two hundred five".

Divisors: 1 5 11 43 55 113 215 473 565 1243 2365 4859 6215 20809 24295 53449 104045 228899 267245 894787 1144495 2351417 4473935 9842657 11757085 25865587 49213285 101110931 129327935 505554655 1112220241 5561101205