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19029472346 = 2137535112979
BaseRepresentation
bin10001101110001111…
…101011010001011010
31211010012022100121002
4101232033223101122
5302433021103341
612424135345002
71242365563133
oct215617532132
954105270532
1019029472346
118085706255
123830b22162
131a435b9511
14cc744ac8a
1576595c29b
hex46e3eb45a

19029472346 has 16 divisors (see below), whose sum is σ = 28760149440. Its totient is φ = 9442792800.

The previous prime is 19029472313. The next prime is 19029472351. The reversal of 19029472346 is 64327492091.

It is a self number, because there is not a number n which added to its sum of digits gives 19029472346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459685 + ... + 1472663.

It is an arithmetic number, because the mean of its divisors is an integer number (1797509340).

Almost surely, 219029472346 is an apocalyptic number.

19029472346 is a deficient number, since it is larger than the sum of its proper divisors (9730677094).

19029472346 is a wasteful number, since it uses less digits than its factorization.

19029472346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 19029472346 in words is "nineteen billion, twenty-nine million, four hundred seventy-two thousand, three hundred forty-six".

Divisors: 1 2 137 274 5351 10702 12979 25958 733087 1466174 1778123 3556246 69450629 138901258 9514736173 19029472346