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70768250208 = 253381907697
BaseRepresentation
bin100000111101000011…
…1011100110101100000
320202122221221121001000
41001322013130311200
52124413133001313
652302133112000
75053463126115
oct1017207346540
9222587847030
1070768250208
11280159178a7
1211870188600
13689a661c86
1435d4a7890c
151c92cb5673
hex107a1dcd60

70768250208 has 48 divisors (see below), whose sum is σ = 206407398960. Its totient is φ = 23589416448.

The previous prime is 70768250183. The next prime is 70768250219. The reversal of 70768250208 is 80205286707.

70768250208 is a `hidden beast` number, since 70 + 76 + 8 + 2 + 502 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40952985 + ... + 40954712.

It is an arithmetic number, because the mean of its divisors is an integer number (4300154145).

Almost surely, 270768250208 is an apocalyptic number.

It is an amenable number.

70768250208 is an abundant number, since it is smaller than the sum of its proper divisors (135639148752).

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

70768250208 is a wasteful number, since it uses less digits than its factorization.

70768250208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81907716 (or 81907702 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 70768250208 in words is "seventy billion, seven hundred sixty-eight million, two hundred fifty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 81907697 163815394 245723091 327630788 491446182 655261576 737169273 982892364 1310523152 1474338546 1965784728 2211507819 2621046304 2948677092 3931569456 4423015638 5897354184 7863138912 8846031276 11794708368 17692062552 23589416736 35384125104 70768250208