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3726868680 = 2332510352413
BaseRepresentation
bin1101111000100011…
…1000000011001000
3100121201202112201100
43132020320003020
530113034244210
61413451421400
7161232601233
oct33610700310
910551675640
103726868680
1116427a1667
12880154860
13475170552
14274d7641a
1516c2c25c0
hexde2380c8

3726868680 has 48 divisors (see below), whose sum is σ = 12112324380. Its totient is φ = 993831552.

The previous prime is 3726868643. The next prime is 3726868699. The reversal of 3726868680 is 868686273.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3686189796 + 40678884 = 60714^2 + 6378^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5175847 + ... + 5176566.

Almost surely, 23726868680 is an apocalyptic number.

3726868680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3726868680 is an abundant number, since it is smaller than the sum of its proper divisors (8385455700).

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

3726868680 is a wasteful number, since it uses less digits than its factorization.

3726868680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352430 (or 10352423 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 3726868680 is about 61048.0849822499. The cubic root of 3726868680 is about 1550.4152449721.

The spelling of 3726868680 in words is "three billion, seven hundred twenty-six million, eight hundred sixty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 10352413 20704826 31057239 41409652 51762065 62114478 82819304 93171717 103524130 124228956 155286195 186343434 207048260 248457912 310572390 372686868 414096520 465858585 621144780 745373736 931717170 1242289560 1863434340 3726868680