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70347663808 = 264273257239
BaseRepresentation
bin100000110000100001…
…1000010100111000000
320201120122112120221221
41001201003002213000
52123033000220213
652152310324424
75040165163522
oct1014103024700
9221518476857
1070347663808
112791a471034
1211773359714
136831493396
143594c75a12
151c6add738d
hex10610c29c0

70347663808 has 28 divisors (see below), whose sum is σ = 139629357520. Its totient is φ = 35165463552.

The previous prime is 70347663797. The next prime is 70347663809. The reversal of 70347663808 is 80836674307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70347663809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144853 + ... + 402091.

Almost surely, 270347663808 is an apocalyptic number.

It is an amenable number.

70347663808 is a deficient number, since it is larger than the sum of its proper divisors (69281693712).

70347663808 is a wasteful number, since it uses less digits than its factorization.

70347663808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261524 (or 261514 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 70347663808 in words is "seventy billion, three hundred forty-seven million, six hundred sixty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 64 4273 8546 17092 34184 68368 136736 257239 273472 514478 1028956 2057912 4115824 8231648 16463296 1099182247 2198364494 4396728988 8793457976 17586915952 35173831904 70347663808