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16239999048 = 233751319163
BaseRepresentation
bin11110001111111101…
…01011100001001000
31112220210102102121020
433013332223201020
5231224414432143
611243251312440
71113304500000
oct170776534110
945823372536
1016239999048
116984068719
1231928ab720
1316ba7067c0
14b00ba7000
15650b01883
hex3c7fab848

16239999048 has 384 divisors, whose sum is σ = 54023961600. Its totient is φ = 4032758016.

The previous prime is 16239999031. The next prime is 16239999049. The reversal of 16239999048 is 84099993261.

It is a junction number, because it is equal to n+sod(n) for n = 16239998982 and 16239999000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16239999049) 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 95 ways as a sum of consecutive naturals, for example, 99631815 + ... + 99631977.

It is an arithmetic number, because the mean of its divisors is an integer number (140687400).

Almost surely, 216239999048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16239999048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27011980800).

16239999048 is an abundant number, since it is smaller than the sum of its proper divisors (37783962552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16239999048 is a wasteful number, since it uses less digits than its factorization.

16239999048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 60.

The spelling of 16239999048 in words is "sixteen billion, two hundred thirty-nine million, nine hundred ninety-nine thousand, forty-eight".