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19205550708707 = 1119972813371339
BaseRepresentation
bin1000101110111101001000…
…00001110001011111100011
32112000000212211221222120002
410113132210001301133203
510004130431440134312
6104502524100410215
74021361310330026
oct427364401613743
975000784858502
1019205550708707
116135034761a10
1221a21b80a696b
13a940ca2c3bac
144a57a718d1bd
152348a902d4c2
hex1177a40717e3

19205550708707 has 32 divisors (see below), whose sum is σ = 22360884537600. Its totient is φ = 16311881779200.

The previous prime is 19205550708671. The next prime is 19205550708727. The reversal of 19205550708707 is 70780705550291.

It is a cyclic number.

It is not a de Polignac number, because 19205550708707 - 212 = 19205550704611 is a prime.

It is a super-2 number, since 2×192055507087072 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19205550708727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4011044 + ... + 7382382.

It is an arithmetic number, because the mean of its divisors is an integer number (698777641800).

Almost surely, 219205550708707 is an apocalyptic number.

19205550708707 is a deficient number, since it is larger than the sum of its proper divisors (3155333828893).

19205550708707 is a wasteful number, since it uses less digits than its factorization.

19205550708707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371747.

The product of its (nonzero) digits is 6174000, while the sum is 56.

The spelling of 19205550708707 in words is "nineteen trillion, two hundred five billion, five hundred fifty million, seven hundred eight thousand, seven hundred seven".

Divisors: 1 11 19 97 209 281 1067 1843 3091 5339 20273 27257 58729 299827 517883 3371339 5696713 37084729 64055441 327019883 704609851 947346259 3597218713 6213377777 10420808849 17999578921 68347155547 91892587123 197995368131 1010818458353 1745959155337 19205550708707