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206097953369 = 7211382370971
BaseRepresentation
bin1011111111110001100…
…1010011001001011001
3201200222022122210221012
42333330121103021121
511334042034001434
6234402522223305
720614204461500
oct2777431231131
9650868583835
10206097953369
117a450a15890
1233b39954b35
1316586792cc9
149d91d0b837
1555639aa3ce
hex2ffc653259

206097953369 has 12 divisors (see below), whose sum is σ = 261541744848. Its totient is φ = 160595807400.

The previous prime is 206097953297. The next prime is 206097953407. The reversal of 206097953369 is 963359790602.

It is not a de Polignac number, because 206097953369 - 216 = 206097887833 is a prime.

It is a super-2 number, since 2×2060979533692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206097953069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191184947 + ... + 191186024.

It is an arithmetic number, because the mean of its divisors is an integer number (21795145404).

Almost surely, 2206097953369 is an apocalyptic number.

It is an amenable number.

206097953369 is a deficient number, since it is larger than the sum of its proper divisors (55443791479).

206097953369 is a wasteful number, since it uses less digits than its factorization.

206097953369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382370996 (or 382370989 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 59.

The spelling of 206097953369 in words is "two hundred six billion, ninety-seven million, nine hundred fifty-three thousand, three hundred sixty-nine".

Divisors: 1 7 11 49 77 539 382370971 2676596797 4206080681 18736177579 29442564767 206097953369