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16960325381 = 61278038121
BaseRepresentation
bin11111100101110101…
…00000011100000101
31121202222211210120022
433302322200130011
5234213320403011
611442542344525
71140202246526
oct176272403405
947688753508
1016960325381
11721373053a
123353b8b145
1317a3a119bc
14b6c71284d
15693e8b8db
hex3f2ea0705

16960325381 has 4 divisors (see below), whose sum is σ = 17238363564. Its totient is φ = 16682287200.

The previous prime is 16960325341. The next prime is 16960325407. The reversal of 16960325381 is 18352306961.

16960325381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3279280225 + 13681045156 = 57265^2 + 116966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16960325381 is a prime.

It is a super-2 number, since 2×169603253812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16960325321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139019000 + ... + 139019121.

It is an arithmetic number, because the mean of its divisors is an integer number (4309590891).

Almost surely, 216960325381 is an apocalyptic number.

It is an amenable number.

16960325381 is a deficient number, since it is larger than the sum of its proper divisors (278038183).

16960325381 is an equidigital number, since it uses as much as digits as its factorization.

16960325381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278038182.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 16960325381 in words is "sixteen billion, nine hundred sixty million, three hundred twenty-five thousand, three hundred eighty-one".

Divisors: 1 61 278038121 16960325381