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206495649070 = 25311571424007
BaseRepresentation
bin1100000001010000011…
…0011000110100101110
3201202000000222211212121
43000110012120310232
511340400341232240
6234510210223154
720630104025254
oct3002406306456
9652000884777
10206495649070
117a635457517
123402ab84aba
131661aca87c9
149dcca725d4
15558886604a
hex3014198d2e

206495649070 has 32 divisors (see below), whose sum is σ = 383927371776. Its totient is φ = 79882730400.

The previous prime is 206495649001. The next prime is 206495649251. The reversal of 206495649070 is 70946594602.

It is a junction number, because it is equal to n+sod(n) for n = 206495648999 and 206495649017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275007 + ... + 699013.

It is an arithmetic number, because the mean of its divisors is an integer number (11997730368).

Almost surely, 2206495649070 is an apocalyptic number.

206495649070 is a deficient number, since it is larger than the sum of its proper divisors (177431722706).

206495649070 is a wasteful number, since it uses less digits than its factorization.

206495649070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425616.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 206495649070 in words is "two hundred six billion, four hundred ninety-five million, six hundred forty-nine thousand, seventy".

Divisors: 1 2 5 10 31 62 155 310 1571 3142 7855 15710 48701 97402 243505 424007 487010 848014 2120035 4240070 13144217 26288434 65721085 131442170 666114997 1332229994 3330574985 6661149970 20649564907 41299129814 103247824535 206495649070