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82734587551 = 7117127155843
BaseRepresentation
bin100110100001101011…
…1011001111010011111
321220112220201111220101
41031003113121322133
52323420023300201
6102001401201531
75656145251030
oct1150327317237
9256486644811
1082734587551
11320a65771a0
121404b7902a7
137a5683b665
14400c012a87
1522435d6d01
hex13435d9e9f

82734587551 has 32 divisors (see below), whose sum is σ = 104990294016. Its totient is φ = 63324828000.

The previous prime is 82734587549. The next prime is 82734587557. The reversal of 82734587551 is 15578543728.

It is a happy number.

It is not a de Polignac number, because 82734587551 - 21 = 82734587549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82734587492 and 82734587501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82734587557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1453636 + ... + 1509478.

It is an arithmetic number, because the mean of its divisors is an integer number (3280946688).

Almost surely, 282734587551 is an apocalyptic number.

82734587551 is a deficient number, since it is larger than the sum of its proper divisors (22255706465).

82734587551 is a wasteful number, since it uses less digits than its factorization.

82734587551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56203.

The product of its digits is 9408000, while the sum is 55.

The spelling of 82734587551 in words is "eighty-two billion, seven hundred thirty-four million, five hundred eighty-seven thousand, five hundred fifty-one".

Divisors: 1 7 11 71 77 271 497 781 1897 2981 5467 19241 20867 55843 134687 211651 390901 614273 1481557 3964853 4299911 15133453 27753971 43613383 105934171 166467983 305293681 1074475163 1165275881 7521326141 11819226793 82734587551