Search a number
-
+
106668787000 = 2353154968863
BaseRepresentation
bin110001101010111110…
…1001000010100111000
3101012022221010211012211
41203111331020110320
53221424202141000
6121000350144504
710464231505126
oct1432575102470
9335287124184
10106668787000
1141268827516
121880b1b2134
13a09c309759
14523ca00916
152b9492b7ba
hex18d5f48538

106668787000 has 64 divisors (see below), whose sum is σ = 249769728000. Its totient is φ = 42639350400.

The previous prime is 106668786989. The next prime is 106668787009. The reversal of 106668787000 is 787866601.

It is a super-2 number, since 2×1066687870002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106668787009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1514569 + ... + 1583431.

It is an arithmetic number, because the mean of its divisors is an integer number (3902652000).

Almost surely, 2106668787000 is an apocalyptic number.

106668787000 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 106668787000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124884864000).

106668787000 is an abundant number, since it is smaller than the sum of its proper divisors (143100941000).

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

106668787000 is a wasteful number, since it uses less digits than its factorization.

106668787000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70433 (or 70419 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 106668787000 in words is "one hundred six billion, six hundred sixty-eight million, seven hundred eighty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1549 3098 6196 7745 12392 15490 30980 38725 61960 68863 77450 137726 154900 193625 275452 309800 344315 387250 550904 688630 774500 1377260 1549000 1721575 2754520 3443150 6886300 8607875 13772600 17215750 34431500 68863000 106668787 213337574 426675148 533343935 853350296 1066687870 2133375740 2666719675 4266751480 5333439350 10666878700 13333598375 21333757400 26667196750 53334393500 106668787000