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8725347668 = 2231132153267
BaseRepresentation
bin10000010000001001…
…00011110101010100
3211112002021120211202
420020010203311110
5120332142111133
64001450252032
7426136142252
oct101004436524
924462246752
108725347668
11377825a934
121836127018
13a908b8a1b
145cab5d5d2
153610282e8
hex208123d54

8725347668 has 24 divisors (see below), whose sum is σ = 15774146304. Its totient is φ = 4218667200.

The previous prime is 8725347647. The next prime is 8725347671. The reversal of 8725347668 is 8667435278.

It is a super-2 number, since 2×87253476682 (a number of 21 digits) contains 22 as substring.

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, 137171 + ... + 190437.

It is an arithmetic number, because the mean of its divisors is an integer number (657256096).

Almost surely, 28725347668 is an apocalyptic number.

It is an amenable number.

8725347668 is a deficient number, since it is larger than the sum of its proper divisors (7048798636).

8725347668 is a wasteful number, since it uses less digits than its factorization.

8725347668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54623 (or 54621 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 56.

The square root of 8725347668 is about 93409.5694669449. The cubic root of 8725347668 is about 2058.7056049765.

The spelling of 8725347668 in words is "eight billion, seven hundred twenty-five million, three hundred forty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 31 62 124 1321 2642 5284 40951 53267 81902 106534 163804 213068 1651277 3302554 6605108 70365707 140731414 281462828 2181336917 4362673834 8725347668