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1996464308384 = 257133141678397
BaseRepresentation
bin11101000011010110100…
…010111100000010100000
321001212020000211002212202
4131003112202330002200
5230202224330332014
64125055114512332
7264145150423160
oct35032642740240
97055200732782
101996464308384
116aa7720663a7
12282b17a356a8
1311635bbac260
146c8b50805a0
1536dec8c03de
hex1d0d68bc0a0

1996464308384 has 768 divisors, whose sum is σ = 5308503588864. Its totient is φ = 718228684800.

The previous prime is 1996464308357. The next prime is 1996464308387. The reversal of 1996464308384 is 4838034646991.

It is a self number, because there is not a number n which added to its sum of digits gives 1996464308384.

It is not an unprimeable number, because it can be changed into a prime (1996464308387) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 20582106224 + ... + 20582106320.

It is an arithmetic number, because the mean of its divisors is an integer number (6912114048).

Almost surely, 21996464308384 is an apocalyptic number.

1996464308384 is a gapful number since it is divisible by the number (14) 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 1996464308384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2654251794432).

1996464308384 is an abundant number, since it is smaller than the sum of its proper divisors (3312039280480).

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

1996464308384 is a wasteful number, since it uses less digits than its factorization.

1996464308384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 65.

The spelling of 1996464308384 in words is "one trillion, nine hundred ninety-six billion, four hundred sixty-four million, three hundred eight thousand, three hundred eighty-four".