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82874327040 = 21334524979
BaseRepresentation
bin100110100101110110…
…0011110000000000000
321220220122200000110000
41031023230132000000
52324211311431130
6102023312240000
75662463104551
oct1151354360000
9256818600400
1082874327040
113216844057a
121408a540000
137a7978724b
1440227ca328
1522509db260
hex134bb1e000

82874327040 has 280 divisors, whose sum is σ = 297113568840. Its totient is φ = 22098935808.

The previous prime is 82874327023. The next prime is 82874327117. The reversal of 82874327040 is 4072347828.

82874327040 is a `hidden beast` number, since 8 + 287 + 4 + 327 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3305271 + ... + 3330249.

Almost surely, 282874327040 is an apocalyptic number.

82874327040 is a gapful number since it is divisible by the number (80) 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 82874327040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148556784420).

82874327040 is an abundant number, since it is smaller than the sum of its proper divisors (214239241800).

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

82874327040 is an equidigital number, since it uses as much as digits as its factorization.

82874327040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25022 (or 24989 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 82874327040 in words is "eighty-two billion, eight hundred seventy-four million, three hundred twenty-seven thousand, forty".