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82003382240 = 2551339424703
BaseRepresentation
bin100110001011111001…
…0000100111111100000
321211122221211102210012
41030113302010333200
52320420331212430
6101401041024052
75632056151103
oct1142762047740
9254587742705
1082003382240
113186085388a
1213a86925028
13796b1c47b0
143d7cc7473a
1521ee2ed695
hex1317c84fe0

82003382240 has 48 divisors (see below), whose sum is σ = 208635533568. Its totient is φ = 30278171136.

The previous prime is 82003382173. The next prime is 82003382249. The reversal of 82003382240 is 4228330028.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 82003382197 and 82003382206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82003382249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19710272 + ... + 19714431.

It is an arithmetic number, because the mean of its divisors is an integer number (4346573616).

Almost surely, 282003382240 is an apocalyptic number.

82003382240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82003382240 is an abundant number, since it is smaller than the sum of its proper divisors (126632151328).

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

82003382240 is a wasteful number, since it uses less digits than its factorization.

82003382240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39424731 (or 39424723 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 82003382240 in words is "eighty-two billion, three million, three hundred eighty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 39424703 78849406 157698812 197123515 315397624 394247030 512521139 630795248 788494060 1025042278 1261590496 1576988120 2050084556 2562605695 3153976240 4100169112 5125211390 6307952480 8200338224 10250422780 16400676448 20500845560 41001691120 82003382240