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84530165764 = 221117532132231
BaseRepresentation
bin100111010111001100…
…0111111100000000100
322002012001102100011011
41032232120333200010
52341104210301024
6102455502452004
76051510360652
oct1165630774004
9262161370134
1084530165764
1132938090730
1214470b94004
137c81840b85
14413c697dd2
1522eb06a094
hex13ae63f804

84530165764 has 48 divisors (see below), whose sum is σ = 174092478336. Its totient is φ = 35480307200.

The previous prime is 84530165761. The next prime is 84530165773. The reversal of 84530165764 is 46756103548.

It is not an unprimeable number, because it can be changed into a prime (84530165761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026472 + ... + 1105759.

It is an arithmetic number, because the mean of its divisors is an integer number (3626926632).

Almost surely, 284530165764 is an apocalyptic number.

It is an amenable number.

84530165764 is an abundant number, since it is smaller than the sum of its proper divisors (89562312572).

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

84530165764 is a wasteful number, since it uses less digits than its factorization.

84530165764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132316 (or 2132314 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 84530165764 in words is "eighty-four billion, five hundred thirty million, one hundred sixty-five thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 17 22 34 44 53 68 106 187 212 374 583 748 901 1166 1802 2332 3604 9911 19822 39644 2132231 4264462 8528924 23454541 36247927 46909082 72495854 93818164 113008243 144991708 226016486 398727197 452032972 797454394 1243090673 1594908788 1921140131 2486181346 3842280262 4972362692 7684560524 21132541441 42265082882 84530165764