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10011112211005 = 57266012755601
BaseRepresentation
bin1001000110101110010011…
…0010011000001000111101
31022110001102121211001121221
42101223210302120020331
52303010224211223010
633143012542153341
72052164456521033
oct221534462301075
938401377731557
1010011112211005
11320a763943684
121158279282851
135780753b06c9
1426877cc8c553
1512562a799dda
hex91ae4c9823d

10011112211005 has 8 divisors (see below), whose sum is σ = 12013355546424. Its totient is φ = 8008875840000.

The previous prime is 10011112210991. The next prime is 10011112211033. The reversal of 10011112211005 is 50011221111001.

It can be written as a sum of positive squares in 4 ways, for example, as 3663866859129 + 6347245351876 = 1914123^2 + 2519374^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10011112211005 - 219 = 10011111686717 is a prime.

It is a super-2 number, since 2×100111122110052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10011112211005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255205 + ... + 5010805.

It is an arithmetic number, because the mean of its divisors is an integer number (1501669443303).

Almost surely, 210011112211005 is an apocalyptic number.

It is an amenable number.

10011112211005 is a deficient number, since it is larger than the sum of its proper divisors (2002243335419).

10011112211005 is an equidigital number, since it uses as much as digits as its factorization.

10011112211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482207.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 10011112211005 its reverse (50011221111001), we get a palindrome (60022333322006).

The spelling of 10011112211005 in words is "ten trillion, eleven billion, one hundred twelve million, two hundred eleven thousand, five".

Divisors: 1 5 726601 2755601 3633005 13778005 2002222442201 10011112211005