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1306350080 = 2957269271
BaseRepresentation
bin100110111011101…
…0101001000000000
310101001010110102022
41031313111020000
510133411200310
6333343341012
744241535550
oct11567251000
93331113368
101306350080
11610445172
123055b1768
1317a84c419
14c56d5160
1579a46a55
hex4ddd5200

1306350080 has 160 divisors (see below), whose sum is σ = 3606197760. Its totient is φ = 444579840.

The previous prime is 1306350061. The next prime is 1306350107. The reversal of 1306350080 is 800536031.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4820345 + ... + 4820615.

It is an arithmetic number, because the mean of its divisors is an integer number (22538736).

Almost surely, 21306350080 is an apocalyptic number.

1306350080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306350080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803098880).

1306350080 is an abundant number, since it is smaller than the sum of its proper divisors (2299847680).

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

1306350080 is an equidigital number, since it uses as much as digits as its factorization.

1306350080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1306350080 is about 36143.4652461548. The cubic root of 1306350080 is about 1093.1670313520.

The spelling of 1306350080 in words is "one billion, three hundred six million, three hundred fifty thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 269 271 280 320 448 512 538 542 560 640 896 1076 1084 1120 1280 1345 1355 1792 1883 1897 2152 2168 2240 2560 2690 2710 3584 3766 3794 4304 4336 4480 5380 5420 7532 7588 8608 8672 8960 9415 9485 10760 10840 15064 15176 17216 17344 17920 18830 18970 21520 21680 30128 30352 34432 34688 37660 37940 43040 43360 60256 60704 68864 69376 72899 75320 75880 86080 86720 120512 121408 137728 138752 145798 150640 151760 172160 173440 241024 242816 291596 301280 303520 344320 346880 364495 482048 485632 510293 583192 602560 607040 688640 693760 728990 964096 971264 1020586 1166384 1205120 1214080 1457980 2041172 2332768 2410240 2428160 2551465 2915960 4082344 4665536 4820480 4856320 5102930 5831920 8164688 9331072 10205860 11663840 16329376 18662144 20411720 23327680 32658752 37324288 40823440 46655360 65317504 81646880 93310720 130635008 163293760 186621440 261270016 326587520 653175040 1306350080