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105530254786 = 21121448930097
BaseRepresentation
bin110001001001000010…
…1111110010111000010
3101002101120210101122001
41202102011332113002
53212111221123121
6120251355334214
710424065236205
oct1422205762702
9332346711561
10105530254786
1140834094400
1218551a5136a
139c4a487358
14517171193c
152b299d3991
hex189217e5c2

105530254786 has 24 divisors (see below), whose sum is σ = 174011887980. Its totient is φ = 47963393280.

The previous prime is 105530254783. The next prime is 105530254801. The reversal of 105530254786 is 687452035501.

It can be written as a sum of positive squares in 2 ways, for example, as 77886204561 + 27644050225 = 279081^2 + 166265^2 .

It is a super-2 number, since 2×1055302547862 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105530254783) 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 11 ways as a sum of consecutive naturals, for example, 3491290 + ... + 3521386.

Almost surely, 2105530254786 is an apocalyptic number.

105530254786 is a deficient number, since it is larger than the sum of its proper divisors (68481633194).

105530254786 is a wasteful number, since it uses less digits than its factorization.

105530254786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44610 (or 44599 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 105530254786 in words is "one hundred five billion, five hundred thirty million, two hundred fifty-four thousand, seven hundred eighty-six".

Divisors: 1 2 11 22 121 242 14489 28978 30097 60194 159379 318758 331067 662134 1753169 3506338 3641737 7283474 436075433 872150866 4796829763 9593659526 52765127393 105530254786