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105001055609 = 293431357839
BaseRepresentation
bin110000111001010001…
…1001111010101111001
3101001000201000021211112
41201302203033111321
53210020232234414
6120123053010105
710405011150362
oct1416243172571
9331021007745
10105001055609
11405923a420a
1218424783935
139b9494a948
145121318b69
152ae82edd3e
hex18728cf579

105001055609 has 4 divisors (see below), whose sum is σ = 105001706880. Its totient is φ = 105000404340.

The previous prime is 105001055581. The next prime is 105001055659. The reversal of 105001055609 is 906550100501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 105001055609 - 28 = 105001055353 is a prime.

It is a super-2 number, since 2×1050010556092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105001055659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114512 + ... + 472350.

It is an arithmetic number, because the mean of its divisors is an integer number (26250426720).

Almost surely, 2105001055609 is an apocalyptic number.

It is an amenable number.

105001055609 is a deficient number, since it is larger than the sum of its proper divisors (651271).

105001055609 is an equidigital number, since it uses as much as digits as its factorization.

105001055609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651270.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 105001055609 in words is "one hundred five billion, one million, fifty-five thousand, six hundred nine".

Divisors: 1 293431 357839 105001055609