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19007827055 = 57543080773
BaseRepresentation
bin10001101100111101…
…000110110001101111
31211001200120122211122
4101230331012301233
5302412000431210
612422043411155
71242013602260
oct215475066157
954050518748
1019007827055
118074471888
123825823abb
131a3bc7b259
14cc4614967
15763ad3b55
hex46cf46c6f

19007827055 has 8 divisors (see below), whose sum is σ = 26067877152. Its totient is φ = 13033938528.

The previous prime is 19007827051. The next prime is 19007827057. The reversal of 19007827055 is 55072870091.

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 19007827055 - 22 = 19007827051 is a prime.

It is a super-2 number, since 2×190078270552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19007826997 and 19007827015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19007827051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271540352 + ... + 271540421.

It is an arithmetic number, because the mean of its divisors is an integer number (3258484644).

Almost surely, 219007827055 is an apocalyptic number.

19007827055 is a deficient number, since it is larger than the sum of its proper divisors (7060050097).

19007827055 is an equidigital number, since it uses as much as digits as its factorization.

19007827055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543080785.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 19007827055 in words is "nineteen billion, seven million, eight hundred twenty-seven thousand, fifty-five".

Divisors: 1 5 7 35 543080773 2715403865 3801565411 19007827055