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57151242500 = 2254112971663
BaseRepresentation
bin110101001110011110…
…101100000100000100
312110111222010221010012
4311032132230010010
51414021204230000
642131021245352
74062155355152
oct651636540404
9173458127105
1057151242500
1122268428420
12b0aba03858
13550a4bb271
142aa23ba3d2
1517475d6735
hexd4e7ac104

57151242500 has 120 divisors (see below), whose sum is σ = 141043351680. Its totient is φ = 20065360000.

The previous prime is 57151242487. The next prime is 57151242541. The reversal of 57151242500 is 524215175.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 761669 + ... + 833331.

It is an arithmetic number, because the mean of its divisors is an integer number (1175361264).

Almost surely, 257151242500 is an apocalyptic number.

57151242500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57151242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70521675840).

57151242500 is an abundant number, since it is smaller than the sum of its proper divisors (83892109180).

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

57151242500 is a wasteful number, since it uses less digits than its factorization.

57151242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71727 (or 71710 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

Adding to 57151242500 its reverse (524215175), we get a palindrome (57675457675).

The spelling of 57151242500 in words is "fifty-seven billion, one hundred fifty-one million, two hundred forty-two thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 29 44 50 55 58 100 110 116 125 145 220 250 275 290 319 500 550 580 625 638 725 1100 1250 1276 1375 1450 1595 2500 2750 2900 3190 3625 5500 6380 6875 7250 7975 13750 14500 15950 18125 27500 31900 36250 39875 71663 72500 79750 143326 159500 199375 286652 358315 398750 716630 788293 797500 1433260 1576586 1791575 2078227 3153172 3583150 3941465 4156454 7166300 7882930 8312908 8957875 10391135 15765860 17915750 19707325 20782270 22860497 35831500 39414650 41564540 44789375 45720994 51955675 78829300 89578750 91441988 98536625 103911350 114302485 179157500 197073250 207822700 228604970 259778375 394146500 457209940 492683125 519556750 571512425 985366250 1039113500 1143024850 1298891875 1970732500 2286049700 2597783750 2857562125 5195567500 5715124250 11430248500 14287810625 28575621250 57151242500