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1312342312 = 231979293373
BaseRepresentation
bin100111000111000…
…1100000100101000
310101110101220012211
41032032030010220
510141424423222
6334120014504
744343503611
oct11616140450
93343356184
101312342312
11613868226
12307601434
1317bb69a18
14c6414c08
157a32c277
hex4e38c128

1312342312 has 64 divisors (see below), whose sum is σ = 2638944000. Its totient is φ = 610032384.

The previous prime is 1312342301. The next prime is 1312342321. The reversal of 1312342312 is 2132432131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3518158 + ... + 3518530.

It is an arithmetic number, because the mean of its divisors is an integer number (41233500).

Almost surely, 21312342312 is an apocalyptic number.

It is an amenable number.

1312342312 is an abundant number, since it is smaller than the sum of its proper divisors (1326601688).

1312342312 is a wasteful number, since it uses less digits than its factorization.

1312342312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 766 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1312342312 is about 36226.2654989443. The cubic root of 1312342312 is about 1094.8359357483.

Adding to 1312342312 its reverse (2132432131), we get a palindrome (3444774443).

The spelling of 1312342312 in words is "one billion, three hundred twelve million, three hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 19 38 76 79 152 158 293 316 373 586 632 746 1172 1492 1501 2344 2984 3002 5567 6004 7087 11134 12008 14174 22268 23147 28348 29467 44536 46294 56696 58934 92588 109289 117868 185176 218578 235736 437156 439793 559873 874312 879586 1119746 1759172 2076491 2239492 3518344 4152982 4478984 8305964 8633831 16611928 17267662 34535324 69070648 164042789 328085578 656171156 1312342312