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63854214272 = 27736833713
BaseRepresentation
bin111011011110000000…
…011111110010000000
320002211002222011202222
4323132000133302000
52021233134324042
645200105230212
74420236603002
oct733600376200
9202732864688
1063854214272
1125098048312
1210460792368
1360380c6c54
14313a6d8372
1519daccc2d2
hexede01fc80

63854214272 has 32 divisors (see below), whose sum is σ = 128952183180. Its totient is φ = 31489744896.

The previous prime is 63854214271. The next prime is 63854214283. The reversal of 63854214272 is 27241245836.

It can be written as a sum of positive squares in 2 ways, for example, as 63532227136 + 321987136 = 252056^2 + 17944^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (63854214271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3407513 + ... + 3426200.

Almost surely, 263854214272 is an apocalyptic number.

It is an amenable number.

63854214272 is an abundant number, since it is smaller than the sum of its proper divisors (65097968908).

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

63854214272 is an equidigital number, since it uses as much as digits as its factorization.

63854214272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833800 (or 6833788 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The spelling of 63854214272 in words is "sixty-three billion, eight hundred fifty-four million, two hundred fourteen thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 73 128 146 292 584 1168 2336 4672 9344 6833713 13667426 27334852 54669704 109339408 218678816 437357632 498861049 874715264 997722098 1995444196 3990888392 7981776784 15963553568 31927107136 63854214272