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16710143938 = 28355071969
BaseRepresentation
bin11111001000000000…
…01000111111000010
31121010120002021010221
433210000020333002
5233210244101223
611402044213254
71131043610545
oct174400107702
947116067127
1016710143938
1170a5493514
1232a423a22a
131763c37847
14b473ca85c
1567c01db5d
hex3e4008fc2

16710143938 has 4 divisors (see below), whose sum is σ = 25065215910. Its totient is φ = 8355071968.

The previous prime is 16710143929. The next prime is 16710143941. The reversal of 16710143938 is 83934101761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83934101761 = 523911602071.

It can be written as a sum of positive squares in only one way, i.e., 13559903809 + 3150240129 = 116447^2 + 56127^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16710143894 and 16710143903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177535983 + ... + 4177535986.

Almost surely, 216710143938 is an apocalyptic number.

16710143938 is a deficient number, since it is larger than the sum of its proper divisors (8355071972).

16710143938 is an equidigital number, since it uses as much as digits as its factorization.

16710143938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355071971.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 16710143938 in words is "sixteen billion, seven hundred ten million, one hundred forty-three thousand, nine hundred thirty-eight".

Divisors: 1 2 8355071969 16710143938