Search a number
-
+
68007386010 = 23523307321047
BaseRepresentation
bin111111010101100011…
…100101101110011010
320111112112220011100110
4333111203211232122
52103234342323020
651124150145150
74625200146264
oct772543455632
9214475804313
1068007386010
112692943a753
121121b6521b6
13654a688115
143412120b34
151b8070b8e0
hexfd58e5b9a

68007386010 has 64 divisors (see below), whose sum is σ = 170869450752. Its totient is φ = 17290253376.

The previous prime is 68007385951. The next prime is 68007386017. The reversal of 68007386010 is 1068370086.

It is a self number, because there is not a number n which added to its sum of digits gives 68007386010.

It is not an unprimeable number, because it can be changed into a prime (68007386017) 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, 51307 + ... + 372353.

It is an arithmetic number, because the mean of its divisors is an integer number (2669835168).

Almost surely, 268007386010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68007386010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85434725376).

68007386010 is an abundant number, since it is smaller than the sum of its proper divisors (102862064742).

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

68007386010 is a wasteful number, since it uses less digits than its factorization.

68007386010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321387.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 68007386010 in words is "sixty-eight billion, seven million, three hundred eighty-six thousand, ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 307 345 614 690 921 1535 1842 3070 4605 7061 9210 14122 21183 35305 42366 70610 105915 211830 321047 642094 963141 1605235 1926282 3210470 4815705 7384081 9631410 14768162 22152243 36920405 44304486 73840810 98561429 110761215 197122858 221522430 295684287 492807145 591368574 985614290 1478421435 2266912867 2956842870 4533825734 6800738601 11334564335 13601477202 22669128670 34003693005 68007386010