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63707428272 = 2431327238089
BaseRepresentation
bin111011010101010000…
…100011010110110000
320002102212202200020110
4323111100203112300
52020433100201042
645133343141320
74413505130325
oct732520432660
9202385680213
1063707428272
1125022200874
121041b5a4840
136013881c27
143125008b4c
1519cce8509c
hexed54235b0

63707428272 has 20 divisors (see below), whose sum is σ = 164577523160. Its totient is φ = 21235809408.

The previous prime is 63707428229. The next prime is 63707428273. The reversal of 63707428272 is 27282470736.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1327238089 = 63707428272 / (6 + 3 + 7 + 0 + 7 + 4 + 2 + 8 + 2 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (63707428273) 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, 663618997 + ... + 663619092.

It is an arithmetic number, because the mean of its divisors is an integer number (8228876158).

Almost surely, 263707428272 is an apocalyptic number.

It is an amenable number.

63707428272 is an abundant number, since it is smaller than the sum of its proper divisors (100870094888).

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

63707428272 is a wasteful number, since it uses less digits than its factorization.

63707428272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327238100 (or 1327238094 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 63707428272 in words is "sixty-three billion, seven hundred seven million, four hundred twenty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1327238089 2654476178 3981714267 5308952356 7963428534 10617904712 15926857068 21235809424 31853714136 63707428272