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2101224411055 = 57115457725743
BaseRepresentation
bin11110100100111010101…
…111000000111110101111
321102212121221102201102101
4132210322233000332233
5233411301422123210
64245142243235531
7304544204542060
oct36447257007657
97385557381371
102101224411055
11740140446050
1229b293978ba7
131231b59343a3
14739b2396567
15399ce975a3a
hex1e93abc0faf

2101224411055 has 16 divisors (see below), whose sum is σ = 3143650028544. Its totient is φ = 1309854178080.

The previous prime is 2101224411019. The next prime is 2101224411059. The reversal of 2101224411055 is 5501144221012.

It is not a de Polignac number, because 2101224411055 - 227 = 2101090193327 is a prime.

It is a super-2 number, since 2×21012244110552 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101224411059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728862487 + ... + 2728863256.

It is an arithmetic number, because the mean of its divisors is an integer number (196478126784).

Almost surely, 22101224411055 is an apocalyptic number.

2101224411055 is a deficient number, since it is larger than the sum of its proper divisors (1042425617489).

2101224411055 is a wasteful number, since it uses less digits than its factorization.

2101224411055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457725766.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 2101224411055 its reverse (5501144221012), we get a palindrome (7602368632067).

The spelling of 2101224411055 in words is "two trillion, one hundred one billion, two hundred twenty-four million, four hundred eleven thousand, fifty-five".

Divisors: 1 5 7 11 35 55 77 385 5457725743 27288628715 38204080201 60034983173 191020401005 300174915865 420244882211 2101224411055