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61421482386 = 2361114925703
BaseRepresentation
bin111001001101000000…
…010111000110010010
312212112120100121000000
4321031000113012102
52001242344414021
644114443310430
74303036662135
oct711500270622
9185476317000
1061421482386
11240599098a0
12baa1b1b416
135a3b0baa24
142d8959821c
1518e743cb26
hexe4d017192

61421482386 has 112 divisors (see below), whose sum is σ = 151710148800. Its totient is φ = 18486934560.

The previous prime is 61421482363. The next prime is 61421482391. The reversal of 61421482386 is 68328412416.

61421482386 is a `hidden beast` number, since 614 + 2 + 1 + 4 + 8 + 23 + 8 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2376811 + ... + 2402513.

It is an arithmetic number, because the mean of its divisors is an integer number (1354554900).

Almost surely, 261421482386 is an apocalyptic number.

61421482386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 61421482386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75855074400).

61421482386 is an abundant number, since it is smaller than the sum of its proper divisors (90288666414).

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

61421482386 is a wasteful number, since it uses less digits than its factorization.

61421482386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25883 (or 25868 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 61421482386 in words is "sixty-one billion, four hundred twenty-one million, four hundred eighty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 149 162 198 243 297 298 447 486 594 729 891 894 1341 1458 1639 1782 2673 2682 3278 4023 4917 5346 8019 8046 9834 12069 14751 16038 24138 25703 29502 36207 44253 51406 72414 77109 88506 108621 132759 154218 217242 231327 265518 282733 398277 462654 565466 693981 796554 848199 1194831 1387962 1696398 2081943 2389662 2544597 3829747 4163886 5089194 6245829 7633791 7659494 11489241 12491658 15267582 18737487 22901373 22978482 34467723 37474974 42127217 45802746 68704119 68935446 84254434 103403169 126381651 137408238 206112357 206806338 252763302 310209507 379144953 412224714 620419014 758289906 930628521 1137434859 1861257042 2274869718 2791885563 3412304577 5583771126 6824609154 10236913731 20473827462 30710741193 61421482386