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84273357828 = 2231123173281571
BaseRepresentation
bin100111001111100010…
…1010110010000000100
322001112011012010220010
41032133011112100010
52340042434422303
6102414210310220
76042241502532
oct1163705262004
9261464163803
1084273357828
1132816128070
12143bab88370
137c4058680a
144116529152
1522d373dc03
hex139f156404

84273357828 has 192 divisors, whose sum is σ = 226331449344. Its totient is φ = 24157056000.

The previous prime is 84273357821. The next prime is 84273357871. The reversal of 84273357828 is 82875337248.

It is a super-2 number, since 2×842733578282 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84273357821) 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, 147588783 + ... + 147589353.

It is an arithmetic number, because the mean of its divisors is an integer number (1178809632).

Almost surely, 284273357828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84273357828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113165724672).

84273357828 is an abundant number, since it is smaller than the sum of its proper divisors (142058091516).

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

84273357828 is a wasteful number, since it uses less digits than its factorization.

84273357828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 57.

The spelling of 84273357828 in words is "eighty-four billion, two hundred seventy-three million, three hundred fifty-seven thousand, eight hundred twenty-eight".