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4279984047225 = 355219223257647
BaseRepresentation
bin111110010010000010111…
…011011100010001111001
3120011011101110001222100000
4332102002323130101321
51030110401404002400
613034110355503213
7621134665100145
oct76220273342171
916134343058300
104279984047225
111400149463337
125915a5bb7b09
132507a6b554b3
1410b21c006225
15764eb2eb600
hex3e482edc479

4279984047225 has 288 divisors, whose sum is σ = 8451539066880. Its totient is φ = 2141129687040.

The previous prime is 4279984047223. The next prime is 4279984047233. The reversal of 4279984047225 is 5227404899724.

It is a happy number.

4279984047225 is a `hidden beast` number, since 4 + 2 + 79 + 98 + 4 + 0 + 472 + 2 + 5 = 666.

It is not a de Polignac number, because 4279984047225 - 21 = 4279984047223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4279984047223) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6615121852 + ... + 6615122498.

It is an arithmetic number, because the mean of its divisors is an integer number (29345621760).

Almost surely, 24279984047225 is an apocalyptic number.

4279984047225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4279984047225 is a deficient number, since it is larger than the sum of its proper divisors (4171555019655).

4279984047225 is a wasteful number, since it uses less digits than its factorization.

4279984047225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 4279984047225 in words is "four trillion, two hundred seventy-nine billion, nine hundred eighty-four million, forty-seven thousand, two hundred twenty-five".