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3686968868 = 2211797271459
BaseRepresentation
bin1101101111000010…
…1010111000100100
3100111221200102110112
43123300222320210
530022331000433
61405504312152
7160236501242
oct33360527044
910457612415
103686968868
11162221a310
1286a912658
13469b104ab
1426d94b792
15168a40348
hexdbc2ae24

3686968868 has 48 divisors (see below), whose sum is σ = 7142553600. Its totient is φ = 1651272480.

The previous prime is 3686968837. The next prime is 3686968921. The reversal of 3686968868 is 8688696863.

It is a happy number.

3686968868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×36869688683 (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3686968798 and 3686968807.

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, 2526323 + ... + 2527781.

It is an arithmetic number, because the mean of its divisors is an integer number (148803200).

Almost surely, 23686968868 is an apocalyptic number.

It is an amenable number.

3686968868 is a deficient number, since it is larger than the sum of its proper divisors (3455584732).

3686968868 is a wasteful number, since it uses less digits than its factorization.

3686968868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2278 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 68.

The square root of 3686968868 is about 60720.4155782880. The cubic root of 3686968868 is about 1544.8624725111.

The spelling of 3686968868 in words is "three billion, six hundred eighty-six million, nine hundred sixty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 79 158 316 727 869 1454 1459 1738 2908 2918 3476 5836 7997 15994 16049 31988 32098 57433 64196 114866 115261 229732 230522 461044 631763 1060693 1263526 1267871 2121386 2527052 2535742 4242772 5071484 11667623 23335246 46670492 83794747 167589494 335178988 921742217 1843484434 3686968868