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11131975348 = 2213214199989
BaseRepresentation
bin10100101111000010…
…00111011010110100
31001201210202221101021
422113201013122310
5140244241202343
65040340510524
7542601141424
oct122741073264
931653687337
1011131975348
1147a278992a
1221a80ab444
131085385280
14778626484
1545245d0ed
hex2978476b4

11131975348 has 24 divisors (see below), whose sum is σ = 20989500840. Its totient is φ = 5135383680.

The previous prime is 11131975291. The next prime is 11131975369. The reversal of 11131975348 is 84357913111.

11131975348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 154803364 + 10977171984 = 12442^2 + 104772^2 .

It is a super-2 number, since 2×111319753482 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61338 + ... + 161326.

It is an arithmetic number, because the mean of its divisors is an integer number (874562535).

Almost surely, 211131975348 is an apocalyptic number.

It is an amenable number.

11131975348 is a deficient number, since it is larger than the sum of its proper divisors (9857525492).

11131975348 is a wasteful number, since it uses less digits than its factorization.

11131975348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102147 (or 102145 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The spelling of 11131975348 in words is "eleven billion, one hundred thirty-one million, nine hundred seventy-five thousand, three hundred forty-eight".

Divisors: 1 2 4 13 26 52 2141 4282 8564 27833 55666 99989 111332 199978 399956 1299857 2599714 5199428 214076449 428152898 856305796 2782993837 5565987674 11131975348