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8269750140 = 2235137829169
BaseRepresentation
bin1111011001110101…
…00101111101111100
3210100022222211112020
413230322211331330
5113414024001030
63444333240140
7411634500501
oct75472457574
923308884466
108269750140
113564070753
121729633050
13a1a3ac2a2
145864454a8
15336031510
hex1ecea5f7c

8269750140 has 24 divisors (see below), whose sum is σ = 23155300560. Its totient is φ = 2205266688.

The previous prime is 8269750129. The next prime is 8269750141. The reversal of 8269750140 is 410579628.

It is a junction number, because it is equal to n+sod(n) for n = 8269750092 and 8269750101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8269750141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68914525 + ... + 68914644.

It is an arithmetic number, because the mean of its divisors is an integer number (964804190).

Almost surely, 28269750140 is an apocalyptic number.

It is an amenable number.

8269750140 is an abundant number, since it is smaller than the sum of its proper divisors (14885550420).

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

8269750140 is a wasteful number, since it uses less digits than its factorization.

8269750140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137829181 (or 137829179 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 8269750140 is about 90938.1665748766. The cubic root of 8269750140 is about 2022.2311507050.

The spelling of 8269750140 in words is "eight billion, two hundred sixty-nine million, seven hundred fifty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137829169 275658338 413487507 551316676 689145845 826975014 1378291690 1653950028 2067437535 2756583380 4134875070 8269750140