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1995877248816 = 2431121722390647
BaseRepresentation
bin11101000010110011100…
…011011110111100110000
321001210201010011101112210
4131002303203132330300
5230200024033430231
64124520544052120
7264124461461223
oct35026343367460
97053633141483
101995877248816
116aa4a0746900
12282993304040
13116297394729
146c85b1055ba
1536db60aba46
hex1d0b38def30

1995877248816 has 240 divisors, whose sum is σ = 6027706202112. Its totient is φ = 566675281920.

The previous prime is 1995877248811. The next prime is 1995877248817. The reversal of 1995877248816 is 6188427785991.

It is not an unprimeable number, because it can be changed into a prime (1995877248811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21972805 + ... + 22063451.

Almost surely, 21995877248816 is an apocalyptic number.

1995877248816 is a gapful number since it is divisible by the number (16) 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 1995877248816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013853101056).

1995877248816 is an abundant number, since it is smaller than the sum of its proper divisors (4031828953296).

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

1995877248816 is a wasteful number, since it uses less digits than its factorization.

1995877248816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90920 (or 90903 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 75.

The spelling of 1995877248816 in words is "one trillion, nine hundred ninety-five billion, eight hundred seventy-seven million, two hundred forty-eight thousand, eight hundred sixteen".