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64042156200 = 233521119717193
BaseRepresentation
bin111011101001001101…
…011100000010101000
320010022012121121122010
4323221031130002220
52022124242444300
645230501355520
74425011226441
oct735115340250
9203265547563
1064042156200
1125184144920
12104b3708ba0
13606801b9a9
14315765c2c8
1519ec553a50
hexee935c0a8

64042156200 has 384 divisors, whose sum is σ = 231220915200. Its totient is φ = 14499072000.

The previous prime is 64042156183. The next prime is 64042156223. The reversal of 64042156200 is 265124046.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 95 ways as a sum of consecutive naturals, for example, 8899804 + ... + 8906996.

It is an arithmetic number, because the mean of its divisors is an integer number (602137800).

Almost surely, 264042156200 is an apocalyptic number.

64042156200 is a gapful number since it is divisible by the number (60) 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 64042156200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115610457600).

64042156200 is an abundant number, since it is smaller than the sum of its proper divisors (167178759000).

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

64042156200 is a wasteful number, since it uses less digits than its factorization.

64042156200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313 (or 7304 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 64042156200 in words is "sixty-four billion, forty-two million, one hundred fifty-six thousand, two hundred".