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11665560048 = 2431819371433
BaseRepresentation
bin10101101110101001…
…00101000111110000
31010002222210211222120
422313110211013300
5142342340410143
65205321234240
7562040424102
oct126724450760
933088724876
1011665560048
114a469a4a1a
122316932980
13113ba98b6c
147c9441572
1548420c383
hex2b75251f0

11665560048 has 80 divisors (see below), whose sum is σ = 30356036256. Its totient is φ = 3860213760.

The previous prime is 11665560041. The next prime is 11665560061. The reversal of 11665560048 is 84006556611.

11665560048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11665559991 and 11665560009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665560041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8139940 + ... + 8141372.

Almost surely, 211665560048 is an apocalyptic number.

It is an amenable number.

11665560048 is an abundant number, since it is smaller than the sum of its proper divisors (18690476208).

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

11665560048 is a wasteful number, since it uses less digits than its factorization.

11665560048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 11665560048 in words is "eleven billion, six hundred sixty-five million, five hundred sixty thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 181 362 543 724 937 1086 1433 1448 1874 2172 2811 2866 2896 3748 4299 4344 5622 5732 7496 8598 8688 11244 11464 14992 17196 22488 22928 34392 44976 68784 169597 259373 339194 508791 518746 678388 778119 1017582 1037492 1342721 1356776 1556238 2035164 2074984 2685442 2713552 3112476 4028163 4070328 4149968 5370884 6224952 8056326 8140656 10741768 12449904 16112652 21483536 32225304 64450608 243032501 486065002 729097503 972130004 1458195006 1944260008 2916390012 3888520016 5832780024 11665560048