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209380419814 = 21571379317569
BaseRepresentation
bin1100001100000000001…
…0111010100011100110
3202000110002012101101111
43003000002322203212
511412302341413224
6240104341015234
721061433126506
oct3030002724346
9660402171344
10209380419814
1180885874475
12346b50b451a
131698a846747
14a1c3c41a06
1556a6c47d94
hex30c00ba8e6

209380419814 has 16 divisors (see below), whose sum is σ = 314371295280. Its totient is φ = 104590033920.

The previous prime is 209380419793. The next prime is 209380419851. The reversal of 209380419814 is 418914083902.

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, 11908822 + ... + 11926390.

It is an arithmetic number, because the mean of its divisors is an integer number (19648205955).

Almost surely, 2209380419814 is an apocalyptic number.

209380419814 is a deficient number, since it is larger than the sum of its proper divisors (104990875466).

209380419814 is a wasteful number, since it uses less digits than its factorization.

209380419814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22935.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 209380419814 in words is "two hundred nine billion, three hundred eighty million, four hundred nineteen thousand, eight hundred fourteen".

Divisors: 1 2 1571 3142 3793 7586 17569 35138 5958803 11917606 27600899 55201798 66639217 133278434 104690209907 209380419814