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12868003708 = 2273712420853
BaseRepresentation
bin10111111101111111…
…00010011101111100
31020012210102022120221
423332333202131330
5202323202104313
65524513551124
7633611140540
oct137677423574
936183368527
1012868003708
11550371a70a
1225b15754a4
1312a0c376a1
148a1009a20
15504a7bc8d
hex2fefe277c

12868003708 has 24 divisors (see below), whose sum is σ = 26431577312. Its totient is φ = 5365808064.

The previous prime is 12868003693. The next prime is 12868003727. The reversal of 12868003708 is 80730086821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209391 + ... + 6211462.

Almost surely, 212868003708 is an apocalyptic number.

It is an amenable number.

12868003708 is an abundant number, since it is smaller than the sum of its proper divisors (13563573604).

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

12868003708 is a wasteful number, since it uses less digits than its factorization.

12868003708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420901 (or 12420899 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 12868003708 in words is "twelve billion, eight hundred sixty-eight million, three thousand, seven hundred eight".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 12420853 24841706 49683412 86945971 173891942 347783884 459571561 919143122 1838286244 3217000927 6434001854 12868003708