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82997102516 = 2220749275629
BaseRepresentation
bin100110101001100000…
…0110100011110110100
321221020012200122201212
41031103000310132310
52324434224240031
6102043415540552
75665513505546
oct1152300643664
9257205618655
1082997102516
1132220778609
121410368a758
137a99043563
144034c29696
15225b68e12b
hex13530347b4

82997102516 has 6 divisors (see below), whose sum is σ = 145244929410. Its totient is φ = 41498551256.

The previous prime is 82997102467. The next prime is 82997102519. The reversal of 82997102516 is 61520179928.

It can be written as a sum of positive squares in only one way, i.e., 50604302116 + 32392800400 = 224954^2 + 179980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82997102519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10374637811 + ... + 10374637818.

It is an arithmetic number, because the mean of its divisors is an integer number (24207488235).

Almost surely, 282997102516 is an apocalyptic number.

It is an amenable number.

82997102516 is a deficient number, since it is larger than the sum of its proper divisors (62247826894).

82997102516 is a wasteful number, since it uses less digits than its factorization.

82997102516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20749275633 (or 20749275631 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 82997102516 in words is "eighty-two billion, nine hundred ninety-seven million, one hundred two thousand, five hundred sixteen".

Divisors: 1 2 4 20749275629 41498551258 82997102516