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196619228960 = 255711100915817
BaseRepresentation
bin1011011100011101101…
…0110101011100100000
3200210111201202201111012
42313013122311130200
511210134010311320
6230154200240052
720130256604450
oct2670732653440
9623451681435
10196619228960
1176427479950
1232133470028
1315705a9983b
1497330bbd60
1551ab7694c5
hex2dc76b5720

196619228960 has 192 divisors, whose sum is σ = 579743619840. Its totient is φ = 61219307520.

The previous prime is 196619228951. The next prime is 196619229031. The reversal of 196619228960 is 69822916691.

It is a self number, because there is not a number n which added to its sum of digits gives 196619228960.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12422972 + ... + 12438788.

It is an arithmetic number, because the mean of its divisors is an integer number (3019498020).

Almost surely, 2196619228960 is an apocalyptic number.

196619228960 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 196619228960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289871809920).

196619228960 is an abundant number, since it is smaller than the sum of its proper divisors (383124390880).

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

196619228960 is a wasteful number, since it uses less digits than its factorization.

196619228960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16859 (or 16851 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 196619228960 in words is "one hundred ninety-six billion, six hundred nineteen million, two hundred twenty-eight thousand, nine hundred sixty".