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19390000082 = 2127149351131
BaseRepresentation
bin10010000011101110…
…111110101111010010
31212001022201001200012
4102003232332233102
5304202320000312
612524014554522
71254334165325
oct220356765722
955038631605
1019390000082
118250171062
123911808a42
131aa01ba53b
14d1d2987bc
15787425322
hex483bbebd2

19390000082 has 16 divisors (see below), whose sum is σ = 29334223872. Its totient is φ = 9612030960.

The previous prime is 19390000067. The next prime is 19390000087. The reversal of 19390000082 is 28000009391.

It is not an unprimeable number, because it can be changed into a prime (19390000087) 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, 353657 + ... + 404787.

It is an arithmetic number, because the mean of its divisors is an integer number (1833388992).

Almost surely, 219390000082 is an apocalyptic number.

19390000082 is a deficient number, since it is larger than the sum of its proper divisors (9944223790).

19390000082 is a wasteful number, since it uses less digits than its factorization.

19390000082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52753.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 19390000082 in words is "nineteen billion, three hundred ninety million, eighty-two", and thus it is an aban number.

Divisors: 1 2 127 254 1493 2986 51131 102262 189611 379222 6493637 12987274 76338583 152677166 9695000041 19390000082