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196449636960 = 253754113693
BaseRepresentation
bin1011011011110101001…
…1111001001001100000
3200210001220122120000000
42312331103321021200
511204312101340320
6230125301300000
720123130235233
oct2667523711140
9623056576000
10196449636960
117634a775975
12320a6704600
13156a98cb145
14971877341a
15519b919c90
hex2dbd4f9260

196449636960 has 384 divisors, whose sum is σ = 713091496320. Its totient is φ = 51105116160.

The previous prime is 196449636959. The next prime is 196449636973. The reversal of 196449636960 is 69636944691.

196449636960 is a `hidden beast` number, since 1 + 96 + 44 + 96 + 369 + 60 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14339874 + ... + 14353566.

It is an arithmetic number, because the mean of its divisors is an integer number (1857009105).

Almost surely, 2196449636960 is an apocalyptic number.

196449636960 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 196449636960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356545748160).

196449636960 is an abundant number, since it is smaller than the sum of its proper divisors (516641859360).

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

196449636960 is an equidigital number, since it uses as much as digits as its factorization.

196449636960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770 (or 13744 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 196449636960 in words is "one hundred ninety-six billion, four hundred forty-nine million, six hundred thirty-six thousand, nine hundred sixty".