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999069061120 = 21251329831559
BaseRepresentation
bin11101000100111010010…
…10000001000000000000
310112111202211200211102021
432202131022001000000
5112332043134423440
62042544353131224
7132115601621344
oct16423512010000
93474684624367
10999069061120
11355780491819
12141762259b14
137329a45ba30
14364d8955624
151aec4b7784a
hexe89d281000

999069061120 has 416 divisors, whose sum is σ = 2704838572800. Its totient is φ = 351649923072.

The previous prime is 999069061087. The next prime is 999069061153. The reversal of 999069061120 is 21160960999.

It is an interprime number because it is at equal distance from previous prime (999069061087) and next prime (999069061153).

It is a tau number, because it is divible by the number of its divisors (416).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640838901 + ... + 640840459.

It is an arithmetic number, because the mean of its divisors is an integer number (6502015800).

Almost surely, 2999069061120 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 999069061120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352419286400).

999069061120 is an abundant number, since it is smaller than the sum of its proper divisors (1705769511680).

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

999069061120 is a wasteful number, since it uses less digits than its factorization.

999069061120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 999069061120 in words is "nine hundred ninety-nine billion, sixty-nine million, sixty-one thousand, one hundred twenty".