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1304321014452 = 2231723279152993
BaseRepresentation
bin10010111110101111100…
…101110011101010110100
311121200200101002201201110
4102332233211303222310
5132332222134430302
62435110301555020
7163143201460221
oct22765745635264
94550611081643
101304321014452
11463183233315
12190952575a70
1395cc6393a21
14471b53c2948
1523ddd45ab6c
hex12faf973ab4

1304321014452 has 144 divisors (see below), whose sum is σ = 3411301098240. Its totient is φ = 386450448384.

The previous prime is 1304321014397. The next prime is 1304321014481. The reversal of 1304321014452 is 2544101234031.

It is a congruent number.

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, 8448868 + ... + 8601860.

It is an arithmetic number, because the mean of its divisors is an integer number (23689590960).

Almost surely, 21304321014452 is an apocalyptic number.

1304321014452 is a gapful number since it is divisible by the number (12) 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 1304321014452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705650549120).

1304321014452 is an abundant number, since it is smaller than the sum of its proper divisors (2106980083788).

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

1304321014452 is a wasteful number, since it uses less digits than its factorization.

1304321014452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153142 (or 153117 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1304321014452 its reverse (2544101234031), we get a palindrome (3848422248483).

The spelling of 1304321014452 in words is "one trillion, three hundred four billion, three hundred twenty-one million, fourteen thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 79 92 102 138 158 204 237 276 316 391 474 529 782 948 1058 1173 1343 1564 1587 1817 2116 2346 2686 3174 3634 4029 4692 5372 5451 6348 7268 8058 8993 10902 16116 17986 21804 26979 30889 35972 41791 53958 61778 83582 92667 107916 123556 125373 152993 167164 185334 250746 305986 370668 458979 501492 611972 710447 917958 1420894 1835916 2131341 2600881 2841788 3518839 4262682 5201762 7037678 7802643 8525364 10403524 10556517 12086447 14075356 15605286 21113034 24172894 31210572 36259341 42226068 48345788 59820263 72518682 80933297 119640526 145037364 161866594 179460789 205469599 239281052 242799891 277988281 323733188 358921578 410939198 485599782 555976562 616408797 717843156 821878396 833964843 971199564 1111953124 1232817594 1375866049 1667929686 2465635188 2751732098 3335859372 4127598147 4725800777 5503464196 6393730463 8255196294 9451601554 12787460926 14177402331 16510392588 18903203108 19181191389 25574921852 28354804662 38362382778 56709609324 76724765556 108693417871 217386835742 326080253613 434773671484 652160507226 1304321014452