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10212681648 = 2431389307599
BaseRepresentation
bin10011000001011100…
…10010011110110000
3222100201221222111110
421200232102132300
5131403421303043
64405221113320
7511036235031
oct114056223660
928321858443
1010212681648
114370879974
121b90258840
13c69a94ac0
146cc4c6a88
153eb8beb33
hex260b927b0

10212681648 has 160 divisors (see below), whose sum is σ = 28873152000. Its totient is φ = 3091765248.

The previous prime is 10212681637. The next prime is 10212681667. The reversal of 10212681648 is 84618621201.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 17049253 + ... + 17049851.

It is an arithmetic number, because the mean of its divisors is an integer number (180457200).

Almost surely, 210212681648 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 10212681648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14436576000).

10212681648 is an abundant number, since it is smaller than the sum of its proper divisors (18660470352).

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

10212681648 is a wasteful number, since it uses less digits than its factorization.

10212681648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 10212681648 in words is "ten billion, two hundred twelve million, six hundred eighty-one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 89 104 156 178 208 267 307 312 356 534 599 614 624 712 921 1068 1157 1198 1228 1424 1797 1842 2136 2314 2396 2456 3471 3594 3684 3991 4272 4628 4792 4912 6942 7188 7368 7787 7982 9256 9584 11973 13884 14376 14736 15574 15964 18512 23361 23946 27323 27768 28752 31148 31928 46722 47892 53311 54646 55536 62296 63856 81969 93444 95784 106622 109292 124592 159933 163938 183893 186888 191568 213244 218584 319866 327876 355199 367786 373776 426488 437168 551679 639732 655752 693043 710398 735572 852976 1065597 1103358 1279464 1311504 1386086 1420796 1471144 2079129 2131194 2206716 2390609 2558928 2772172 2841592 2942288 4158258 4262388 4413432 4781218 5544344 5683184 7171827 8316516 8524776 8826864 9562436 11088688 14343654 16366477 16633032 17049552 19124872 28687308 32732954 33266064 38249744 49099431 57374616 65465908 98198862 114749232 130931816 196397724 212764201 261863632 392795448 425528402 638292603 785590896 851056804 1276585206 1702113608 2553170412 3404227216 5106340824 10212681648