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1306430616212 = 221574614512589
BaseRepresentation
bin10011000000101101010…
…101010011001010010100
311121220010101200121021222
4103000231111103022110
5132401032214204322
62440055502025512
7163246366004531
oct23005525231224
94556111617258
101306430616212
1146406602a347
12191240b78298
13962714640a7
144733564bd88
1523eb376ce42
hex1302d553294

1306430616212 has 24 divisors (see below), whose sum is σ = 2305807137480. Its totient is φ = 647646629760.

The previous prime is 1306430616187. The next prime is 1306430616221. The reversal of 1306430616212 is 2126160346031.

It can be written as a sum of positive squares in 4 ways, for example, as 157169430916 + 1149261185296 = 396446^2 + 1072036^2 .

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1966787 + ... + 2545802.

It is an arithmetic number, because the mean of its divisors is an integer number (96075297395).

Almost surely, 21306430616212 is an apocalyptic number.

It is an amenable number.

1306430616212 is a deficient number, since it is larger than the sum of its proper divisors (999376521268).

1306430616212 is a wasteful number, since it uses less digits than its factorization.

1306430616212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513211 (or 4513209 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 1306430616212 in words is "one trillion, three hundred six billion, four hundred thirty million, six hundred sixteen thousand, two hundred twelve".

Divisors: 1 2 4 157 314 461 628 922 1844 72377 144754 289508 4512589 9025178 18050356 708476473 1416952946 2080303529 2833905892 4160607058 8321214116 326607654053 653215308106 1306430616212