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84953679380 = 22529146471861
BaseRepresentation
bin100111100011110100…
…0100100011000010100
322010021120100001121122
41033013220210120110
52342441120220010
6103005512103112
76065142234353
oct1170750443024
9263246301548
1084953679380
1133035156789
121456a994a98
13801b4c5c4b
14417ca1d99a
152323325855
hex13c7a24614

84953679380 has 24 divisors (see below), whose sum is σ = 184554546120. Its totient is φ = 32809696640.

The previous prime is 84953679379. The next prime is 84953679431. The reversal of 84953679380 is 8397635948.

It can be written as a sum of positive squares in 4 ways, for example, as 34341278596 + 50612400784 = 185314^2 + 224972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73235351 + ... + 73236510.

It is an arithmetic number, because the mean of its divisors is an integer number (7689772755).

Almost surely, 284953679380 is an apocalyptic number.

It is an amenable number.

84953679380 is an abundant number, since it is smaller than the sum of its proper divisors (99600866740).

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

84953679380 is a wasteful number, since it uses less digits than its factorization.

84953679380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146471899 (or 146471897 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 84953679380 in words is "eighty-four billion, nine hundred fifty-three million, six hundred seventy-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 146471861 292943722 585887444 732359305 1464718610 2929437220 4247683969 8495367938 16990735876 21238419845 42476839690 84953679380