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994580000000 = 28572232
BaseRepresentation
bin11100111100100011001…
…01100110110100000000
310112002011222201220020022
432132101211212310000
5112243344440000000
62040523113033012
7131566422340526
oct16362145466400
93462158656208
10994580000000
11353887532754
1214090a9b5768
1372a33415252
14361d0696316
151ad109ea585
hexe791966d00

994580000000 has 216 divisors, whose sum is σ = 2492765395848. Its totient is φ = 396048000000.

The previous prime is 994579999999. The next prime is 994580000027. The reversal of 994580000000 is 85499.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 4 ways, for example, as 983873545216 + 10706454784 = 991904^2 + 103472^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459999889 + ... + 4460000111.

Almost surely, 2994580000000 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 994580000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246382697924).

994580000000 is an abundant number, since it is smaller than the sum of its proper divisors (1498185395848).

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

994580000000 is an frugal number, since it uses more digits than its factorization.

994580000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 994580000000 its reverse (85499), we get a palindrome (994580085499).

The spelling of 994580000000 in words is "nine hundred ninety-four billion, five hundred eighty million", and thus it is an aban number.