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84289268874720 = 25357132383899973
BaseRepresentation
bin10011001010100100011111…
…111011011111110111100000
3102001102222100001222002211210
4103022210133323133313200
542021443410312442340
6455133542222310120
723516461442026440
oct2312443773376740
9361388301862753
1084289268874720
1124947972954828
1295539a9728340
1338055a0482780
1416b589db56120
159b2855e25180
hex4ca91fedfde0

84289268874720 has 384 divisors, whose sum is σ = 340990972729344. Its totient is φ = 17010887122944.

The previous prime is 84289268874653. The next prime is 84289268874721. The reversal of 84289268874720 is 2747886298248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84289268874721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40945347 + ... + 42954626.

It is an arithmetic number, because the mean of its divisors is an integer number (887997324816).

Almost surely, 284289268874720 is an apocalyptic number.

84289268874720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84289268874720 is an abundant number, since it is smaller than the sum of its proper divisors (256701703854624).

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

84289268874720 is a wasteful number, since it uses less digits than its factorization.

84289268874720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83900034 (or 83900026 counting only the distinct ones).

The product of its (nonzero) digits is 1387266048, while the sum is 75.

The spelling of 84289268874720 in words is "eighty-four trillion, two hundred eighty-nine billion, two hundred sixty-eight million, eight hundred seventy-four thousand, seven hundred twenty".