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19085101107 = 3471327102001
BaseRepresentation
bin10001110001100011…
…111000100000110011
31211021001222120220120
4101301203320200303
5303041241213412
612433443541323
71243642453122
oct216143704063
954231876816
1019085101107
118104050a36
12384768a843
131a51c95947
14cd09abab9
1576a799b8c
hex4718f8833

19085101107 has 16 divisors (see below), whose sum is σ = 26008061952. Its totient is φ = 12443184000.

The previous prime is 19085101103. The next prime is 19085101121. The reversal of 19085101107 is 70110158091.

It is not a de Polignac number, because 19085101107 - 22 = 19085101103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19085101103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136107 + ... + 238107.

It is an arithmetic number, because the mean of its divisors is an integer number (1625503872).

Almost surely, 219085101107 is an apocalyptic number.

19085101107 is a deficient number, since it is larger than the sum of its proper divisors (6922960845).

19085101107 is a wasteful number, since it uses less digits than its factorization.

19085101107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103378.

The product of its (nonzero) digits is 2520, while the sum is 33.

Adding to 19085101107 its reverse (70110158091), we get a palindrome (89195259198).

It can be divided in two parts, 1908 and 5101107, that added together give a palindrome (5103015).

The spelling of 19085101107 in words is "nineteen billion, eighty-five million, one hundred one thousand, one hundred seven".

Divisors: 1 3 47 141 1327 3981 62369 102001 187107 306003 4794047 14382141 135355327 406065981 6361700369 19085101107