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1994309699200 = 275271311360607
BaseRepresentation
bin11101000001010110000…
…111110000011010000000
321001122122212112121201121
4131001112013300122000
5230133321240333300
64124101230042024
7264040565513560
oct35012607603200
97048585477647
101994309699200
116a9866919655
12282616349314
131160a76b1090
146c74cc5ada0
1536d2366c81a
hex1d0561f0680

1994309699200 has 384 divisors, whose sum is σ = 6117228472320. Its totient is φ = 625570283520.

The previous prime is 1994309699177. The next prime is 1994309699237. The reversal of 1994309699200 is 29969034991.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32875297 + ... + 32935903.

It is an arithmetic number, because the mean of its divisors is an integer number (15930282480).

Almost surely, 21994309699200 is an apocalyptic number.

1994309699200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994309699200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3058614236160).

1994309699200 is an abundant number, since it is smaller than the sum of its proper divisors (4122918773120).

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

1994309699200 is a wasteful number, since it uses less digits than its factorization.

1994309699200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60764 (or 60747 counting only the distinct ones).

The product of its (nonzero) digits is 8503056, while the sum is 61.

The spelling of 1994309699200 in words is "one trillion, nine hundred ninety-four billion, three hundred nine million, six hundred ninety-nine thousand, two hundred".