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200129045760 = 28375721459
BaseRepresentation
bin1011101001100010011…
…1101110010100000000
3201010120100002220000000
42322120213232110000
511234331013431020
6231534340000000
720313245551500
oct2723047562400
9633510086000
10200129045760
11779686a1196
1232952990000
1315b44c92507
1499872b3a00
155314965090
hex2e989ee500

200129045760 has 864 divisors, whose sum is σ = 836900265600. Its totient is φ = 45712429056.

The previous prime is 200129045737. The next prime is 200129045771. The reversal of 200129045760 is 67540921002.

200129045760 is a `hidden beast` number, since 20 + 0 + 129 + 0 + 457 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 137167911 + ... + 137169369.

Almost surely, 2200129045760 is an apocalyptic number.

200129045760 is a gapful number since it is divisible by the number (20) 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 200129045760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418450132800).

200129045760 is an abundant number, since it is smaller than the sum of its proper divisors (636771219840).

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

200129045760 is an frugal number, since it uses more digits than its factorization.

200129045760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 200129045760 its reverse (67540921002), we get a palindrome (267669966762).

The spelling of 200129045760 in words is "two hundred billion, one hundred twenty-nine million, forty-five thousand, seven hundred sixty".