Search a number
-
+
3108750680 = 235731557643
BaseRepresentation
bin1011100101001011…
…1100010101011000
322000122122220020002
42321102330111120
522331320010210
61232251152132
7140015642030
oct27122742530
98018586202
103108750680
111355899442
12729145648
133a70a0059
14216c348c0
15132dc64a5
hexb94bc558

3108750680 has 128 divisors (see below), whose sum is σ = 8279470080. Its totient is φ = 1028021760.

The previous prime is 3108750643. The next prime is 3108750739. The reversal of 3108750680 is 860578013.

3108750680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4834439 + ... + 4835081.

It is an arithmetic number, because the mean of its divisors is an integer number (64683360).

Almost surely, 23108750680 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 3108750680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4139735040).

3108750680 is an abundant number, since it is smaller than the sum of its proper divisors (5170719400).

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

3108750680 is a wasteful number, since it uses less digits than its factorization.

3108750680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 3108750680 is about 55756.1716763266. The cubic root of 3108750680 is about 1459.4704215555.

The spelling of 3108750680 in words is "three billion, one hundred eight million, seven hundred fifty thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 434 557 620 643 868 1085 1114 1240 1286 1736 2170 2228 2572 2785 3215 3899 4340 4456 4501 5144 5570 6430 7798 8680 9002 11140 12860 15596 17267 18004 19495 19933 22280 22505 25720 31192 34534 36008 38990 39866 45010 69068 77980 79732 86335 90020 99665 120869 138136 139531 155960 159464 172670 180040 199330 241738 279062 345340 358151 398660 483476 558124 604345 690680 697655 716302 797320 966952 1116248 1208690 1395310 1432604 1790755 2417380 2507057 2790620 2865208 3581510 4834760 5014114 5581240 7163020 10028228 11102681 12535285 14326040 20056456 22205362 25070570 44410724 50141140 55513405 77718767 88821448 100282280 111026810 155437534 222053620 310875068 388593835 444107240 621750136 777187670 1554375340 3108750680