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57884304688 = 2471927201271
BaseRepresentation
bin110101111010001011…
…000110010100110000
312112102001112100101121
4311322023012110300
51422021340222223
642331445312024
74116266320540
oct657213062460
9175361470347
1057884304688
11226041a9941
12b275405614
1355c6335382
142b318bd320
15178bb3a15d
hexd7a2c6530

57884304688 has 40 divisors (see below), whose sum is σ = 134918309120. Its totient is φ = 23501897280.

The previous prime is 57884304641. The next prime is 57884304689. The reversal of 57884304688 is 88640348875.

It is not an unprimeable number, because it can be changed into a prime (57884304689) 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 7 ways as a sum of consecutive naturals, for example, 13598508 + ... + 13602763.

It is an arithmetic number, because the mean of its divisors is an integer number (3372957728).

Almost surely, 257884304688 is an apocalyptic number.

It is an amenable number.

57884304688 is an abundant number, since it is smaller than the sum of its proper divisors (77034004432).

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

57884304688 is a wasteful number, since it uses less digits than its factorization.

57884304688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27201305 (or 27201299 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 57884304688 in words is "fifty-seven billion, eight hundred eighty-four million, three hundred four thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 27201271 54402542 108805084 190408897 217610168 380817794 435220336 516824149 761635588 1033648298 1523271176 2067296596 3046542352 3617769043 4134593192 7235538086 8269186384 14471076172 28942152344 57884304688