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1283705318316 = 2231771227390437
BaseRepresentation
bin10010101011100010110…
…011001010101110101100
311112201110122000212011010
4102223202303022232230
5132013012030141231
62421420500025220
7161513262111651
oct22534263125654
94481418025133
101283705318316
11455464205713
1218895a392210
139408c286065
14461bb429c28
15235d3621546
hex12ae2ccabac

1283705318316 has 96 divisors (see below), whose sum is σ = 3230352824832. Its totient is φ = 395308641280.

The previous prime is 1283705318297. The next prime is 1283705318383. The reversal of 1283705318316 is 6138135073821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3092650 + ... + 3483086.

It is an arithmetic number, because the mean of its divisors is an integer number (33649508592).

Almost surely, 21283705318316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283705318316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615176412416).

1283705318316 is an abundant number, since it is smaller than the sum of its proper divisors (1946647506516).

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

1283705318316 is a wasteful number, since it uses less digits than its factorization.

1283705318316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390759 (or 390757 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1283705318316 in words is "one trillion, two hundred eighty-three billion, seven hundred five million, three hundred eighteen thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 17 34 51 68 71 102 142 204 213 227 284 426 454 681 852 908 1207 1362 2414 2724 3621 3859 4828 7242 7718 11577 14484 15436 16117 23154 32234 46308 48351 64468 96702 193404 273989 390437 547978 780874 821967 1095956 1171311 1561748 1643934 2342622 3287868 4685244 6637429 13274858 19912287 26549716 27721027 39824574 55442054 79649148 83163081 88629199 110884108 166326162 177258398 265887597 332652324 354516796 471257459 531775194 942514918 1063550388 1413772377 1506696383 1885029836 2827544754 3013392766 4520089149 5655089508 6026785532 6292673129 9040178298 12585346258 18080356596 18878019387 25170692516 37756038774 75512077548 106975443193 213950886386 320926329579 427901772772 641852659158 1283705318316