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2087375297280 = 28357132607757
BaseRepresentation
bin11110011000000001010…
…000110101101100000000
321101112212202212211211120
4132120001100311230000
5233144421034003110
64234532120512240
7303544051164060
oct36300120655400
97345782784746
102087375297280
11735283a34979
1229866991b680
13121ab9674900
147305ad593a0
153946dbe9870
hex1e601435b00

2087375297280 has 864 divisors, whose sum is σ = 8274580844544. Its totient is φ = 439106863104.

The previous prime is 2087375297233. The next prime is 2087375297299. The reversal of 2087375297280 is 827925737802.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2757430662 + ... + 2757431418.

Almost surely, 22087375297280 is an apocalyptic number.

2087375297280 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 2087375297280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137290422272).

2087375297280 is an abundant number, since it is smaller than the sum of its proper divisors (6187205547264).

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

2087375297280 is a wasteful number, since it uses less digits than its factorization.

2087375297280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 2087375297280 in words is "two trillion, eighty-seven billion, three hundred seventy-five million, two hundred ninety-seven thousand, two hundred eighty".