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206451314215 = 5291423802167
BaseRepresentation
bin1100000001000101110…
…1010000111000100111
3201201212221120101212221
43000101131100320213
511340303014023330
6234501544053211
720626025134156
oct3002135207047
9651787511787
10206451314215
117a612426043
1234018164207
1316611a54b73
149dc6c1159d
155584a09b7a
hex3011750e27

206451314215 has 8 divisors (see below), whose sum is σ = 256284390240. Its totient is φ = 159465842592.

The previous prime is 206451314207. The next prime is 206451314227. The reversal of 206451314215 is 512413154602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206451314215 - 23 = 206451314207 is a prime.

It is a super-2 number, since 2×2064513142152 (a number of 23 digits) contains 22 as substring.

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, 711900939 + ... + 711901228.

It is an arithmetic number, because the mean of its divisors is an integer number (32035548780).

Almost surely, 2206451314215 is an apocalyptic number.

206451314215 is a deficient number, since it is larger than the sum of its proper divisors (49833076025).

206451314215 is a wasteful number, since it uses less digits than its factorization.

206451314215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423802201.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 206451314215 its reverse (512413154602), we get a palindrome (718864468817).

The spelling of 206451314215 in words is "two hundred six billion, four hundred fifty-one million, three hundred fourteen thousand, two hundred fifteen".

Divisors: 1 5 29 145 1423802167 7119010835 41290262843 206451314215