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8126734940 = 225312422827
BaseRepresentation
bin1111001000110010…
…00010001001011100
3202222100212220112222
413210121002021130
5113120421004230
63422224044512
7405250051532
oct74431021134
922870786488
108126734940
1134a036a275
1216a9763738
139c68876cc
14571458152
153286d16e5
hex1e464225c

8126734940 has 36 divisors (see below), whose sum is σ = 17634464568. Its totient is φ = 3145825440.

The previous prime is 8126734939. The next prime is 8126735011. The reversal of 8126734940 is 494376218.

It is a junction number, because it is equal to n+sod(n) for n = 8126734891 and 8126734900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192194 + ... + 230633.

It is an arithmetic number, because the mean of its divisors is an integer number (489846238).

Almost surely, 28126734940 is an apocalyptic number.

It is an amenable number.

8126734940 is an abundant number, since it is smaller than the sum of its proper divisors (9507729628).

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

8126734940 is a wasteful number, since it uses less digits than its factorization.

8126734940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422898 (or 422865 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 8126734940 is about 90148.4050884984. The cubic root of 8126734940 is about 2010.5059607611.

The spelling of 8126734940 in words is "eight billion, one hundred twenty-six million, seven hundred thirty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 961 1922 3844 4805 9610 19220 422827 845654 1691308 2114135 4228270 8456540 13107637 26215274 52430548 65538185 131076370 262152740 406336747 812673494 1625346988 2031683735 4063367470 8126734940