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16480525769 = 22373903703
BaseRepresentation
bin11110101100101000…
…01101110111001001
31120112120000110020022
433112110031313021
5232223003311034
611323202510225
71122255105041
oct172624156711
946476013208
1016480525769
116a97910a34
12323b365375
1317284b02c6
14b24ad8721
15666cb3b2e
hex3d650ddc9

16480525769 has 4 divisors (see below), whose sum is σ = 16554429696. Its totient is φ = 16406621844.

The previous prime is 16480525759. The next prime is 16480525807. The reversal of 16480525769 is 96752508461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16480525769 - 216 = 16480460233 is a prime.

It is a super-2 number, since 2×164805257692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16480525769.

It is not an unprimeable number, because it can be changed into a prime (16480525709) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36951629 + ... + 36952074.

It is an arithmetic number, because the mean of its divisors is an integer number (4138607424).

Almost surely, 216480525769 is an apocalyptic number.

It is an amenable number.

16480525769 is a deficient number, since it is larger than the sum of its proper divisors (73903927).

16480525769 is an equidigital number, since it uses as much as digits as its factorization.

16480525769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73903926.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 16480525769 in words is "sixteen billion, four hundred eighty million, five hundred twenty-five thousand, seven hundred sixty-nine".

Divisors: 1 223 73903703 16480525769