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63878925748 = 22113146832057
BaseRepresentation
bin111011011111011110…
…110000110110110100
320002212211110122112211
4323133132300312310
52021311001110443
645202351023204
74420656624061
oct733736606664
9202784418484
1063878925748
11250aaa96420
1210468b0ab04
136040269a21
14313dacbc68
1519dd05e19d
hexedf7b0db4

63878925748 has 24 divisors (see below), whose sum is σ = 125884571904. Its totient is φ = 28099233600.

The previous prime is 63878925727. The next prime is 63878925749. The reversal of 63878925748 is 84752987836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63878925749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23414665 + ... + 23417392.

It is an arithmetic number, because the mean of its divisors is an integer number (5245190496).

Almost surely, 263878925748 is an apocalyptic number.

It is an amenable number.

63878925748 is a deficient number, since it is larger than the sum of its proper divisors (62005646156).

63878925748 is a wasteful number, since it uses less digits than its factorization.

63878925748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46832103 (or 46832101 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 67.

The spelling of 63878925748 in words is "sixty-three billion, eight hundred seventy-eight million, nine hundred twenty-five thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 46832057 93664114 187328228 515152627 1030305254 1451793767 2060610508 2903587534 5807175068 15969731437 31939462874 63878925748