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57504665060 = 22559713112207
BaseRepresentation
bin110101100011100010…
…111000110111100100
312111102121011122201122
4311203202320313210
51420232143240220
642230044313112
74104006405503
oct654342706744
9174377148648
1057504665060
112242997aa87
12b18a242798
1355657a223b
142ad72d883a
151768649425
hexd638b8de4

57504665060 has 96 divisors (see below), whose sum is σ = 124993290240. Its totient is φ = 22211772800.

The previous prime is 57504664991. The next prime is 57504665063. The reversal of 57504665060 is 6056640575.

It is not an unprimeable number, because it can be changed into a prime (57504665063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26054477 + ... + 26056683.

It is an arithmetic number, because the mean of its divisors is an integer number (1302013440).

Almost surely, 257504665060 is an apocalyptic number.

It is an amenable number.

57504665060 is an abundant number, since it is smaller than the sum of its proper divisors (67488625180).

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

57504665060 is a wasteful number, since it uses less digits than its factorization.

57504665060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 57504665060 in words is "fifty-seven billion, five hundred four million, six hundred sixty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 59 71 118 142 236 284 295 311 355 590 622 710 1180 1244 1420 1555 2207 3110 4189 4414 6220 8378 8828 11035 16756 18349 20945 22070 22081 36698 41890 44140 44162 73396 83780 88324 91745 110405 130213 156697 183490 220810 260426 313394 366980 441620 520852 626788 651065 686377 783485 1302130 1302779 1372754 1566970 2604260 2605558 2745508 3133940 3431885 5211116 6513895 6863770 9245123 13027790 13727540 18490246 26055580 36980492 40496243 46225615 48732767 80992486 92451230 97465534 161984972 184902460 194931068 202481215 243663835 404962430 487327670 809924860 974655340 2875233253 5750466506 11500933012 14376166265 28752332530 57504665060