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1200213430 = 2513172961307
BaseRepresentation
bin100011110001001…
…1100110110110110
310002122102011022021
41013202130312312
54424223312210
6315032423354
741512434343
oct10742346666
93078364267
101200213430
11566542129
12295b47b5a
1316186a680
14b55877ca
157057dbda
hex4789cdb6

1200213430 has 128 divisors (see below), whose sum is σ = 2598583680. Its totient is φ = 394813440.

The previous prime is 1200213407. The next prime is 1200213473. The reversal of 1200213430 is 343120021.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 3909337 + ... + 3909643.

It is an arithmetic number, because the mean of its divisors is an integer number (20301435).

Almost surely, 21200213430 is an apocalyptic number.

1200213430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200213430 is an abundant number, since it is smaller than the sum of its proper divisors (1398370250).

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

1200213430 is a wasteful number, since it uses less digits than its factorization.

1200213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200213430 is about 34644.0966111111. The cubic root of 1200213430 is about 1062.7215663419.

Adding to 1200213430 its reverse (343120021), we get a palindrome (1543333451).

The spelling of 1200213430 in words is "one billion, two hundred million, two hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 5 10 13 17 26 29 34 58 61 65 85 122 130 145 170 221 290 305 307 377 442 493 610 614 754 793 986 1037 1105 1535 1586 1769 1885 2074 2210 2465 3070 3538 3770 3965 3991 4930 5185 5219 6409 7930 7982 8845 8903 10370 10438 12818 13481 17690 17806 18727 19955 22997 26095 26962 30073 32045 37454 39910 44515 45994 52190 60146 64090 67405 67847 89030 93635 114985 115739 134810 135694 150365 151351 187270 229970 231478 243451 300730 302702 318359 339235 390949 486902 543083 578695 636718 678470 756755 781898 1086166 1157390 1217255 1513510 1591795 1954745 1967563 2434510 2715415 3183590 3909490 3935126 4138667 5430830 7060079 8277334 9232411 9837815 14120158 18464822 19675630 20693335 35300395 41386670 46162055 70600790 92324110 120021343 240042686 600106715 1200213430