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199127808000 = 21136531197
BaseRepresentation
bin1011100101110011110…
…0010011100000000000
3201000222120002202000000
42321130330103200000
511230303204324000
6231251132000000
720246400304122
oct2713474234000
9630876082000
10199127808000
11774a4502470
1232713600000
1315a15710b34
1498d0323212
1552a6adc000
hex2e5cf13800

199127808000 has 1344 divisors, whose sum is σ = 821118785760. Its totient is φ = 47775744000.

The previous prime is 199127807999. The next prime is 199127808017. The reversal of 199127808000 is 808721991.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2052863952 + ... + 2052864048.

Almost surely, 2199127808000 is an apocalyptic number.

199127808000 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 199127808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410559392880).

199127808000 is an abundant number, since it is smaller than the sum of its proper divisors (621990977760).

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

199127808000 is an frugal number, since it uses more digits than its factorization.

199127808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 199127808000 in words is "one hundred ninety-nine billion, one hundred twenty-seven million, eight hundred eight thousand".