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11110910101 = 56453196817
BaseRepresentation
bin10100101100100001…
…10000100010010101
31001200100010201021221
422112100300202111
5140223343110401
65034305210341
7542224114624
oct122620604225
931610121257
1011110910101
114791901235
1221a10309b1
131080bbb025
147759016bb
1545069b7a1
hex296430895

11110910101 has 4 divisors (see below), whose sum is σ = 11111163372. Its totient is φ = 11110656832.

The previous prime is 11110910077. The next prime is 11110910131. The reversal of 11110910101 is 10101901111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8583837201 + 2527072900 = 92649^2 + 50270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11110910101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110910131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41956 + ... + 154861.

It is an arithmetic number, because the mean of its divisors is an integer number (2777790843).

Almost surely, 211110910101 is an apocalyptic number.

It is an amenable number.

11110910101 is a deficient number, since it is larger than the sum of its proper divisors (253271).

11110910101 is an equidigital number, since it uses as much as digits as its factorization.

11110910101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253270.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 11110910101 in words is "eleven billion, one hundred ten million, nine hundred ten thousand, one hundred one".

Divisors: 1 56453 196817 11110910101