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63872452900 = 225212721992
BaseRepresentation
bin111011011111000110…
…000100100100100100
320002212101021210110201
4323133012010210210
52021302321443100
645202000200244
74420550614564
oct733706044444
9202771253421
1063872452900
11250a7375263
1210466909084
13603bb11739
14313ccc4da4
1519dc6d136a
hexedf184924

63872452900 has 81 divisors (see below), whose sum is σ = 140408733969. Its totient is φ = 25220432160.

The previous prime is 63872452877. The next prime is 63872452909. The reversal of 63872452900 is 925427836.

The square root of 63872452900 is 252730.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22994083044 + 40878369856 = 151638^2 + 202184^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63872452909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 320967001 + ... + 320967199.

Almost surely, 263872452900 is an apocalyptic number.

63872452900 is the 252730-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63872452900

63872452900 is an abundant number, since it is smaller than the sum of its proper divisors (76536281069).

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

63872452900 is a wasteful number, since it uses less digits than its factorization.

63872452900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 63872452900 in words is "sixty-three billion, eight hundred seventy-two million, four hundred fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 127 199 254 398 508 635 796 995 1270 1990 2540 3175 3980 4975 6350 9950 12700 16129 19900 25273 32258 39601 50546 64516 79202 80645 101092 126365 158404 161290 198005 252730 322580 396010 403225 505460 631825 792020 806450 990025 1263650 1612900 1980050 2527300 3209671 3960100 5029327 6419342 10058654 12838684 16048355 20117308 25146635 32096710 50293270 64193420 80241775 100586540 125733175 160483550 251466350 320967100 502932700 638724529 1277449058 2554898116 3193622645 6387245290 12774490580 15968113225 31936226450 63872452900