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16683890974000 = 24538341945487
BaseRepresentation
bin1111001011001000010101…
…1001010001110100110000
32012001222001001021220002221
43302302011121101310300
54141322102042132000
655252250153050424
73341241241254565
oct362620531216460
965058031256087
1016683890974000
115352664563438
121a555493b6a14
139403904180b3
1441970c9d086c
151ddebdb0361a
hexf2c85651d30

16683890974000 has 40 divisors (see below), whose sum is σ = 40341648379968. Its totient is φ = 6673556388800.

The previous prime is 16683890973983. The next prime is 16683890974007. The reversal of 16683890974000 is 47909838661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 16683890974000.

It is not an unprimeable number, because it can be changed into a prime (16683890974007) 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, 4170970744 + ... + 4170974743.

Almost surely, 216683890974000 is an apocalyptic number.

16683890974000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16683890974000 is an abundant number, since it is smaller than the sum of its proper divisors (23657757405968).

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

16683890974000 is an equidigital number, since it uses as much as digits as its factorization.

16683890974000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341945510 (or 8341945494 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 16683890974000 in words is "sixteen trillion, six hundred eighty-three billion, eight hundred ninety million, nine hundred seventy-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 8341945487 16683890974 33367781948 41709727435 66735563896 83419454870 133471127792 166838909740 208548637175 333677819480 417097274350 667355638960 834194548700 1042743185875 1668389097400 2085486371750 3336778194800 4170972743500 8341945487000 16683890974000