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57985390772 = 22401112332191
BaseRepresentation
bin110110000000001100…
…101101100010110100
312112200002202001102122
4312000030231202310
51422223230001042
642345500055112
74121634455261
oct660014554264
9175602661378
1057985390772
1122656272361
12b2a3234498
13561126931a
142b410b4268
1517959567d2
hexd8032d8b4

57985390772 has 24 divisors (see below), whose sum is σ = 101821235712. Its totient is φ = 28893744000.

The previous prime is 57985390759. The next prime is 57985390811. The reversal of 57985390772 is 27709358975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785197 + ... + 1817387.

It is an arithmetic number, because the mean of its divisors is an integer number (4242551488).

Almost surely, 257985390772 is an apocalyptic number.

It is an amenable number.

57985390772 is a deficient number, since it is larger than the sum of its proper divisors (43835844940).

57985390772 is a wasteful number, since it uses less digits than its factorization.

57985390772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33719 (or 33717 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 62.

The spelling of 57985390772 in words is "fifty-seven billion, nine hundred eighty-five million, three hundred ninety thousand, seven hundred seventy-two".

Divisors: 1 2 4 401 802 1123 1604 2246 4492 32191 64382 128764 450323 900646 1801292 12908591 25817182 36150493 51634364 72300986 144601972 14496347693 28992695386 57985390772