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204552685470 = 23571757297671
BaseRepresentation
bin1011111010000001001…
…0100100011110011110
3201112222121222001212210
42332200102210132132
511322410441413340
6233545321541250
720531002065330
oct2764022443636
9645877861783
10204552685470
1179828727181
1233788344826
131639b5b14c3
149c869c3450
1554c2ebd180
hex2fa04a479e

204552685470 has 64 divisors (see below), whose sum is σ = 594062263296. Its totient is φ = 44004610560.

The previous prime is 204552685451. The next prime is 204552685489. The reversal of 204552685470 is 74586255402.

204552685470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204552685451) and next prime (204552685489).

It is a super-2 number, since 2×2045526854702 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 28645266 + ... + 28652405.

It is an arithmetic number, because the mean of its divisors is an integer number (9282222864).

Almost surely, 2204552685470 is an apocalyptic number.

204552685470 is an abundant number, since it is smaller than the sum of its proper divisors (389509577826).

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

204552685470 is a wasteful number, since it uses less digits than its factorization.

204552685470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57297705.

The product of its (nonzero) digits is 2688000, while the sum is 48.

The spelling of 204552685470 in words is "two hundred four billion, five hundred fifty-two million, six hundred eighty-five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 57297671 114595342 171893013 286488355 343786026 401083697 572976710 802167394 859465065 974060407 1203251091 1718930130 1948120814 2005418485 2406502182 2922181221 4010836970 4870302035 5844362442 6016255455 6818422849 9740604070 12032510910 13636845698 14610906105 20455268547 29221812210 34092114245 40910537094 68184228490 102276342735 204552685470