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1995136000 = 210531113109
BaseRepresentation
bin111011011101011…
…0101110000000000
312011001012102001221
41312322311300000
513041223323000
6525550404424
7100304243014
oct16672656000
95131172057
101995136000
11934225230
12478200714
1325a463460
1414cd90544
15ba25161a
hex76eb5c00

1995136000 has 352 divisors, whose sum is σ = 5901255360. Its totient is φ = 663552000.

The previous prime is 1995135949. The next prime is 1995136001. The reversal of 1995136000 is 6315991.

It is a tau number, because it is divible by the number of its divisors (352).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995136001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18303946 + ... + 18304054.

It is an arithmetic number, because the mean of its divisors is an integer number (16764930).

Almost surely, 21995136000 is an apocalyptic number.

1995136000 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 1995136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2950627680).

1995136000 is an abundant number, since it is smaller than the sum of its proper divisors (3906119360).

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

1995136000 is a wasteful number, since it uses less digits than its factorization.

1995136000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1995136000 is about 44666.9452727629. The cubic root of 1995136000 is about 1258.8988447811.

The spelling of 1995136000 in words is "one billion, nine hundred ninety-five million, one hundred thirty-six thousand".