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11212022000981 = 1131271515173981
BaseRepresentation
bin1010001100101000000010…
…0101101010110101010101
31110200212012002110021211102
42203022000211222311111
52432144210113012411
635502422022515445
72235020233356014
oct243120045526525
943625162407742
1011212022000981
113632aa013940a
121310b6b595b85
1363439b30bb79
142aa944160a7b
151469b5297d3b
hexa328096ad55

11212022000981 has 16 divisors (see below), whose sum is σ = 11475809292288. Its totient is φ = 10952280864000.

The previous prime is 11212022000869. The next prime is 11212022001017. The reversal of 11212022000981 is 18900022021211.

It is a de Polignac number, because none of the positive numbers 2k-11212022000981 is a prime.

It is a super-2 number, since 2×112120220009812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212022050981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419990 + ... + 4753991.

It is an arithmetic number, because the mean of its divisors is an integer number (717238080768).

Almost surely, 211212022000981 is an apocalyptic number.

It is an amenable number.

11212022000981 is a deficient number, since it is larger than the sum of its proper divisors (263787291307).

11212022000981 is a wasteful number, since it uses less digits than its factorization.

11212022000981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174372.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 11212022000981 in words is "eleven trillion, two hundred twelve billion, twenty-two million, nine hundred eighty-one", and thus it is an aban number.

Divisors: 1 113 127 151 14351 17063 19177 2167001 5173981 584659853 657095587 781271131 74251801331 88283637803 99221433637 11212022000981