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83228353143855 = 359757201617281
BaseRepresentation
bin10010111011001000011100…
…011011001010010000101111
3101220200112221000211221000120
4102323020130123022100233
541402103131401100410
6453002324432300023
723350023115065423
oct2273103433122057
9356615830757016
1083228353143855
1124578a45655707
1294022670a1613
133759527b1618a
14167a3b93a6b83
15994e61873570
hex4bb21c6ca42f

83228353143855 has 16 divisors (see below), whose sum is σ = 134538203847264. Its totient is φ = 43930842071040.

The previous prime is 83228353143823. The next prime is 83228353143913. The reversal of 83228353143855 is 55834135382238.

It is not a de Polignac number, because 83228353143855 - 25 = 83228353143823 is a prime.

It is a super-2 number, since 2×832283531438552 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28600807186 + ... + 28600810095.

It is an arithmetic number, because the mean of its divisors is an integer number (8408637740454).

Almost surely, 283228353143855 is an apocalyptic number.

83228353143855 is a deficient number, since it is larger than the sum of its proper divisors (51309850703409).

83228353143855 is a wasteful number, since it uses less digits than its factorization.

83228353143855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57201617386.

The product of its digits is 82944000, while the sum is 60.

The spelling of 83228353143855 in words is "eighty-three trillion, two hundred twenty-eight billion, three hundred fifty-three million, one hundred forty-three thousand, eight hundred fifty-five".

Divisors: 1 3 5 15 97 291 485 1455 57201617281 171604851843 286008086405 858024259215 5548556876257 16645670628771 27742784381285 83228353143855