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19427487483 = 313946588699
BaseRepresentation
bin10010000101111101…
…111110111011111011
31212010221020121201110
4102011331332323323
5304241414044413
612531434251403
71255300630125
oct220575767373
955127217643
1019427487483
11826a345988
123922286b63
131aa7bb4531
14d24256215
1578a87c8c3
hex485f7eefb

19427487483 has 8 divisors (see below), whose sum is σ = 26089672000. Its totient is φ = 12858480648.

The previous prime is 19427487481. The next prime is 19427487523. The reversal of 19427487483 is 38478472491.

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

It is not a de Polignac number, because 19427487483 - 21 = 19427487481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19427487481) 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, 23293933 + ... + 23294766.

It is an arithmetic number, because the mean of its divisors is an integer number (3261209000).

Almost surely, 219427487483 is an apocalyptic number.

19427487483 is a deficient number, since it is larger than the sum of its proper divisors (6662184517).

19427487483 is a wasteful number, since it uses less digits than its factorization.

19427487483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46588841.

The product of its digits is 10838016, while the sum is 57.

The spelling of 19427487483 in words is "nineteen billion, four hundred twenty-seven million, four hundred eighty-seven thousand, four hundred eighty-three".

Divisors: 1 3 139 417 46588699 139766097 6475829161 19427487483