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206013272560 = 2453796794633
BaseRepresentation
bin1011111111011101011…
…0010001000111110000
3201200202102022120200221
42333313112101013300
511333403344210220
6234350255222424
720612125631614
oct2776726210760
9650672276627
10206013272560
117a408137947
1233b15517a14
1316572084214
149d84987344
15555b32e9aa
hex2ff75911f0

206013272560 has 40 divisors (see below), whose sum is σ = 480244731120. Its totient is φ = 82187868672.

The previous prime is 206013272557. The next prime is 206013272581. The reversal of 206013272560 is 65272310602.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366997 + ... + 3427636.

It is an arithmetic number, because the mean of its divisors is an integer number (12006118278).

Almost surely, 2206013272560 is an apocalyptic number.

206013272560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206013272560 is an abundant number, since it is smaller than the sum of its proper divisors (274231458560).

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

206013272560 is a wasteful number, since it uses less digits than its factorization.

206013272560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795025 (or 6795019 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 206013272560 in words is "two hundred six billion, thirteen million, two hundred seventy-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 379 758 1516 1895 3032 3790 6064 7580 15160 30320 6794633 13589266 27178532 33973165 54357064 67946330 108714128 135892660 271785320 543570640 2575165907 5150331814 10300663628 12875829535 20601327256 25751659070 41202654512 51503318140 103006636280 206013272560