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196895784960 = 2143757157
BaseRepresentation
bin1011011101011111100…
…1110100000000000000
3200211020000011020000000
42313113321310000000
511211220310104320
6230241440000000
720140155362250
oct2672771640000
9624200136000
10196895784960
11765595a0526
12321b0000000
131574b179744
14975bb0b960
1551c5b96c90
hex2dd7e74000

196895784960 has 960 divisors, whose sum is σ = 815096163840. Its totient is φ = 44718096384.

The previous prime is 196895784919. The next prime is 196895784973. The reversal of 196895784960 is 69487598691.

196895784960 is a `hidden beast` number, since 1 + 9 + 6 + 8 + 9 + 578 + 49 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-3 number, since 3×1968957849603 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 63 ways as a sum of consecutive naturals, for example, 1254113202 + ... + 1254113358.

It is an arithmetic number, because the mean of its divisors is an integer number (849058504).

Almost surely, 2196895784960 is an apocalyptic number.

196895784960 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 196895784960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407548081920).

196895784960 is an abundant number, since it is smaller than the sum of its proper divisors (618200378880).

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

196895784960 is an frugal number, since it uses more digits than its factorization.

196895784960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 196895784960 in words is "one hundred ninety-six billion, eight hundred ninety-five million, seven hundred eighty-four thousand, nine hundred sixty".