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52219987470 = 2335723947089
BaseRepresentation
bin110000101000100011…
…011100011000001110
311222210022010012221000
4300220203130120032
51323421304044340
635553423321130
73526026366300
oct605043343016
9158708105830
1052219987470
1120167904542
12a1544501a6
134c0297bb91
1427554d1970
15155970dd30
hexc288dc60e

52219987470 has 96 divisors (see below), whose sum is σ = 161988573600. Its totient is φ = 11935994112.

The previous prime is 52219987361. The next prime is 52219987483. The reversal of 52219987470 is 7478991225.

52219987470 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 99 + 87 + 470 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1960315 + ... + 1986774.

It is an arithmetic number, because the mean of its divisors is an integer number (1687380975).

Almost surely, 252219987470 is an apocalyptic number.

52219987470 is an abundant number, since it is smaller than the sum of its proper divisors (109768586130).

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

52219987470 is a wasteful number, since it uses less digits than its factorization.

52219987470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947119 (or 3947106 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 52219987470 in words is "fifty-two billion, two hundred nineteen million, nine hundred eighty-seven thousand, four hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 90 98 105 126 135 147 189 210 245 270 294 315 378 441 490 630 735 882 945 1323 1470 1890 2205 2646 4410 6615 13230 3947089 7894178 11841267 19735445 23682534 27629623 35523801 39470890 55259246 59206335 71047602 82888869 106571403 118412670 138148115 165777738 177619005 193407361 213142806 248666607 276296230 355238010 386814722 414444345 497333214 532857015 580222083 745999821 828888690 967036805 1065714030 1160444166 1243333035 1491999642 1740666249 1934073610 2486666070 2901110415 3481332498 3729999105 5221998747 5802220830 7459998210 8703331245 10443997494 17406662490 26109993735 52219987470