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1995015960000 = 26335471719243
BaseRepresentation
bin11101000010000000001…
…101111011010111000000
321001201111002111101102000
4131002000031323113000
5230141243041210000
64124255255424000
7264064232602140
oct35020015732700
97051432441360
101995015960000
116aa099554868
12282792985000
1311618ab0308b
146c7b8984920
1536d6567a000
hex1d08037b5c0

1995015960000 has 3360 divisors, whose sum is σ = 9577560199680. Its totient is φ = 397135872000.

The previous prime is 1995015959999. The next prime is 1995015960013. The reversal of 1995015960000 is 695105991.

It is a happy number.

1995015960000 is a `hidden beast` number, since 1 + 9 + 9 + 50 + 1 + 596 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3360).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 46395719979 + ... + 46395720021.

Almost surely, 21995015960000 is an apocalyptic number.

1995015960000 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 1995015960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4788780099840).

1995015960000 is an abundant number, since it is smaller than the sum of its proper divisors (7582544239680).

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

1995015960000 is a wasteful number, since it uses less digits than its factorization.

1995015960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The spelling of 1995015960000 in words is "one trillion, nine hundred ninety-five billion, fifteen million, nine hundred sixty thousand".