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16069481999 = 172442138707
BaseRepresentation
bin11101111011101000…
…01101011000001111
31112110220120021011222
432331310031120033
5230402241410444
611214320433555
71106134225514
oct167564153017
945426507158
1016069481999
1168a689273a
1231457788bb
1316912a303c
14ac629b30b
15640b6ceee
hex3bdd0d60f

16069481999 has 8 divisors (see below), whose sum is σ = 17015881968. Its totient is φ = 15123208320.

The previous prime is 16069481963. The next prime is 16069482041. The reversal of 16069481999 is 99918496061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16069481999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16069481929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395804 + ... + 434510.

It is an arithmetic number, because the mean of its divisors is an integer number (2126985246).

Almost surely, 216069481999 is an apocalyptic number.

16069481999 is a deficient number, since it is larger than the sum of its proper divisors (946399969).

16069481999 is a wasteful number, since it uses less digits than its factorization.

16069481999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63145.

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 16069481999 in words is "sixteen billion, sixty-nine million, four hundred eighty-one thousand, nine hundred ninety-nine".

Divisors: 1 17 24421 38707 415157 658019 945263647 16069481999