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16305441869 = 19245167429
BaseRepresentation
bin11110010111110000…
…10100110001001101
31120002100120021021102
433023320110301031
5231343143114434
611253550112445
71115030653253
oct171370246115
946070507242
1016305441869
116a07aa68a2
1231b07ab725
1316cb13ac72
14b097605d3
1565672c07e
hex3cbe14c4d

16305441869 has 6 divisors (see below), whose sum is σ = 17208790830. Its totient is φ = 15447260376.

The previous prime is 16305441853. The next prime is 16305441871. The reversal of 16305441869 is 96814450361.

It can be written as a sum of positive squares in only one way, i.e., 14337188644 + 1968253225 = 119738^2 + 44365^2 .

It is not a de Polignac number, because 16305441869 - 24 = 16305441853 is a prime.

It is a super-2 number, since 2×163054418692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16305441809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22583354 + ... + 22584075.

It is an arithmetic number, because the mean of its divisors is an integer number (2868131805).

Almost surely, 216305441869 is an apocalyptic number.

16305441869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16305441869 is a deficient number, since it is larger than the sum of its proper divisors (903348961).

16305441869 is an equidigital number, since it uses as much as digits as its factorization.

16305441869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45167467 (or 45167448 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 16305441869 in words is "sixteen billion, three hundred five million, four hundred forty-one thousand, eight hundred sixty-nine".

Divisors: 1 19 361 45167429 858181151 16305441869