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52205739480 = 23325236305041
BaseRepresentation
bin110000100111101101…
…000101110111011000
311222202022022100100200
4300213231011313120
51323404132130410
635552154102200
73525464315046
oct604755056730
9158668270320
1052205739480
112015a862844
12a14b71a960
134bcca3090b
142753663396
1515583473c0
hexc27b45dd8

52205739480 has 96 divisors (see below), whose sum is σ = 177045579360. Its totient is φ = 13316244480.

The previous prime is 52205739473. The next prime is 52205739493. The reversal of 52205739480 is 8493750225.

52205739480 is a `hidden beast` number, since 52 + 20 + 573 + 9 + 4 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3144241 + ... + 3160800.

It is an arithmetic number, because the mean of its divisors is an integer number (1844224785).

Almost surely, 252205739480 is an apocalyptic number.

It is an amenable number.

52205739480 is an abundant number, since it is smaller than the sum of its proper divisors (124839839880).

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

52205739480 is a wasteful number, since it uses less digits than its factorization.

52205739480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305081 (or 6305074 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 52205739480 in words is "fifty-two billion, two hundred five million, seven hundred thirty-nine thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 60 69 72 90 92 115 120 138 180 184 207 230 276 345 360 414 460 552 690 828 920 1035 1380 1656 2070 2760 4140 8280 6305041 12610082 18915123 25220164 31525205 37830246 50440328 56745369 63050410 75660492 94575615 113490738 126100820 145015943 151320984 189151230 226981476 252201640 283726845 290031886 378302460 435047829 453962952 567453690 580063772 725079715 756604920 870095658 1134907380 1160127544 1305143487 1450159430 1740191316 2175239145 2269814760 2610286974 2900318860 3480382632 4350478290 5220573948 5800637720 6525717435 8700956580 10441147896 13051434870 17401913160 26102869740 52205739480