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11811308244 = 2236142138327
BaseRepresentation
bin10110000000000001…
…00100001011010100
31010111011001121220220
423000000210023110
5143142143330434
65232005154340
7565460315001
oct130000441324
933434047826
1011811308244
1150111a277a
1223576bb9b0
1311630396b8
148009408a8
15491debd49
hex2c00242d4

11811308244 has 48 divisors (see below), whose sum is σ = 28078786176. Its totient is φ = 3863260800.

The previous prime is 11811308237. The next prime is 11811308287. The reversal of 11811308244 is 44280311811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289009 + ... + 327335.

It is an arithmetic number, because the mean of its divisors is an integer number (584974712).

Almost surely, 211811308244 is an apocalyptic number.

It is an amenable number.

11811308244 is an abundant number, since it is smaller than the sum of its proper divisors (16267477932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11811308244 is a wasteful number, since it uses less digits than its factorization.

11811308244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38816 (or 38814 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 11811308244 in words is "eleven billion, eight hundred eleven million, three hundred eight thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 421 732 842 1263 1684 2526 5052 25681 38327 51362 76654 77043 102724 114981 153308 154086 229962 308172 459924 2337947 4675894 7013841 9351788 14027682 16135667 28055364 32271334 48407001 64542668 96814002 193628004 984275687 1968551374 2952827061 3937102748 5905654122 11811308244