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11162271698 = 2747072
BaseRepresentation
bin10100110010101001…
…01011111111010010
31001210220210011011022
422121110223333102
5140330020143243
65043342115442
7543416513114
oct123124537722
931726704138
1011162271698
1148088a1a36
1221b627bb82
13108b7320c6
1477c6713b4
15454e44b68
hex29952bfd2

11162271698 has 6 divisors (see below), whose sum is σ = 16743631671. Its totient is φ = 5581061142.

The previous prime is 11162271691. The next prime is 11162271713. The reversal of 11162271698 is 89617226111.

It can be written as a sum of positive squares in only one way, i.e., 5581135849 + 5581135849 = 74707^2 + 74707^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=74707.

It is a super-3 number, since 3×111622716983 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11162271691) 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 2 ways as a sum of consecutive naturals, for example, 112061 + ... + 186767.

Almost surely, 211162271698 is an apocalyptic number.

11162271698 is a deficient number, since it is larger than the sum of its proper divisors (5581359973).

11162271698 is an frugal number, since it uses more digits than its factorization.

11162271698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149416 (or 74709 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The spelling of 11162271698 in words is "eleven billion, one hundred sixty-two million, two hundred seventy-one thousand, six hundred ninety-eight".

Divisors: 1 2 74707 149414 5581135849 11162271698