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16911401948 = 227286282663
BaseRepresentation
bin11111011111111111…
…11000001111011100
31121122120210020020022
433233333320033130
5234113304330243
611434034011312
71136036354600
oct175777701734
947576706208
1016911401948
117199055651
12333b716b38
13179684261c
14b66019500
1568ea25b68
hex3efff83dc

16911401948 has 18 divisors (see below), whose sum is σ = 34426782936. Its totient is φ = 7247743608.

The previous prime is 16911401921. The next prime is 16911402041. The reversal of 16911401948 is 84910411961.

It is a junction number, because it is equal to n+sod(n) for n = 16911401899 and 16911401908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43141136 + ... + 43141527.

It is an arithmetic number, because the mean of its divisors is an integer number (1912599052).

Almost surely, 216911401948 is an apocalyptic number.

It is an amenable number.

16911401948 is an abundant number, since it is smaller than the sum of its proper divisors (17515380988).

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

16911401948 is a wasteful number, since it uses less digits than its factorization.

16911401948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86282681 (or 86282672 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 16911401948 in words is "sixteen billion, nine hundred eleven million, four hundred one thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 86282663 172565326 345130652 603978641 1207957282 2415914564 4227850487 8455700974 16911401948