Search a number
-
+
1006660061660 = 2251197353133633
BaseRepresentation
bin11101010011000011001…
…11011000100111011100
310120020100212111121112102
432221201213120213130
5112443114433433120
62050241522424232
7132504655225301
oct16514147304734
93506325447472
101006660061660
11358a163a7890
12143120502078
1373c0a02c226
1436a18b950a8
151b2bb2d2d75
hexea619d89dc

1006660061660 has 96 divisors (see below), whose sum is σ = 2336559486912. Its totient is φ = 361255403520.

The previous prime is 1006660061653. The next prime is 1006660061669. The reversal of 1006660061660 is 661600666001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006660061669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7466204 + ... + 7599836.

It is an arithmetic number, because the mean of its divisors is an integer number (24339161322).

Almost surely, 21006660061660 is an apocalyptic number.

1006660061660 is a gapful number since it is divisible by the number (10) 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 1006660061660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168279743456).

1006660061660 is an abundant number, since it is smaller than the sum of its proper divisors (1329899425252).

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

1006660061660 is a wasteful number, since it uses less digits than its factorization.

1006660061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134103 (or 134101 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 1006660061660 in words is "one trillion, six billion, six hundred sixty million, sixty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 97 110 194 220 353 388 485 706 970 1067 1412 1765 1940 2134 3530 3883 4268 5335 7060 7766 10670 15532 19415 21340 34241 38830 68482 77660 133633 136964 171205 267266 342410 376651 534532 668165 684820 753302 1336330 1469963 1506604 1883255 2672660 2939926 3766510 5879852 7349815 7533020 12962401 14699630 25924802 29399260 47172449 51849604 64812005 94344898 129624010 142586411 188689796 235862245 259248020 285172822 471724490 518896939 570345644 712932055 943448980 1037793878 1425864110 2075587756 2594484695 2851728220 4575727553 5188969390 9151455106 10377938780 18302910212 22878637765 45757275530 50333003083 91514551060 100666006166 201332012332 251665015415 503330030830 1006660061660