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312220332130 = 25717247328373
BaseRepresentation
bin1001000101100011100…
…10000011000001100010
31002211220011122012221211
410202301302003001202
520103411401112010
6355233153140334
731362053014660
oct4426162030142
91084804565854
10312220332130
11110459268743
1250615b5a6aa
1323599819075
141117c115c30
1581c545308a
hex48b1c83062

312220332130 has 96 divisors (see below), whose sum is σ = 696804374016. Its totient is φ = 98606171136.

The previous prime is 312220332107. The next prime is 312220332247. The reversal of 312220332130 is 31233022213.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786624 + ... + 1114996.

It is an arithmetic number, because the mean of its divisors is an integer number (7258378896).

Almost surely, 2312220332130 is an apocalyptic number.

312220332130 is an abundant number, since it is smaller than the sum of its proper divisors (384584041886).

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

312220332130 is a wasteful number, since it uses less digits than its factorization.

312220332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328468 (or 328451 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312220332130 its reverse (31233022213), we get a palindrome (343453354343).

The spelling of 312220332130 in words is "three hundred twelve billion, two hundred twenty million, three hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 47 70 85 94 119 170 235 238 289 329 470 578 595 658 799 1190 1445 1598 1645 2023 2890 3290 3995 4046 5593 7990 10115 11186 13583 20230 27166 27965 55930 67915 95081 135830 190162 328373 475405 656746 950810 1641865 2298611 3283730 4597222 5582341 11164682 11493055 15433531 22986110 27911705 30867062 39076387 55823410 77167655 78152774 94899797 108034717 154335310 189799594 195381935 216069434 262370027 390763870 474498985 524740054 540173585 664298579 948997970 1080347170 1311850135 1328597158 1836590189 2623700270 3321492895 3673180378 4460290459 6642985790 8920580918 9182950945 18365901890 22301452295 31222033213 44602904590 62444066426 156110166065 312220332130