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11101000985 = 52220200197
BaseRepresentation
bin10100101011010101…
…11101010100011001
31001122122111021112122
422111222331110121
5140213324012420
65033312551025
7542043644234
oct122552752431
931578437478
1011101000985
114787253388
122199852475
13107bb2b949
1477448241b
1544e890725
hex295abd519

11101000985 has 4 divisors (see below), whose sum is σ = 13321201188. Its totient is φ = 8880800784.

The previous prime is 11101000919. The next prime is 11101000987. The reversal of 11101000985 is 58900010111.

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 8879669824 + 2221331161 = 94232^2 + 47131^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101000985 - 216 = 11100935449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101000987) 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, 1110100094 + ... + 1110100103.

It is an arithmetic number, because the mean of its divisors is an integer number (3330300297).

Almost surely, 211101000985 is an apocalyptic number.

It is an amenable number.

11101000985 is a deficient number, since it is larger than the sum of its proper divisors (2220200203).

11101000985 is an equidigital number, since it uses as much as digits as its factorization.

11101000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220200202.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 11101000985 in words is "eleven billion, one hundred one million, nine hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 2220200197 11101000985