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12082930580 = 2257212329521
BaseRepresentation
bin10110100000011001…
…01110001110010100
31011012002011110201102
423100030232032110
5144221212234310
65314551045232
7605266133600
oct132014561624
934162143642
1012082930580
115140554646
122412670818
1311a73aca86
14828a48500
154aaba28a5
hex2d032e394

12082930580 has 36 divisors (see below), whose sum is σ = 29516875668. Its totient is φ = 4142718720.

The previous prime is 12082930553. The next prime is 12082930583. The reversal of 12082930580 is 8503928021.

It can be written as a sum of positive squares in 2 ways, for example, as 4650421636 + 7432508944 = 68194^2 + 86212^2 .

It is a super-3 number, since 3×120829305803 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12082930583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6163781 + ... + 6165740.

It is an arithmetic number, because the mean of its divisors is an integer number (819913213).

Almost surely, 212082930580 is an apocalyptic number.

12082930580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12082930580 is an abundant number, since it is smaller than the sum of its proper divisors (17433945088).

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

12082930580 is a wasteful number, since it uses less digits than its factorization.

12082930580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329544 (or 12329535 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 12082930580 in words is "twelve billion, eighty-two million, nine hundred thirty thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 12329521 24659042 49318084 61647605 86306647 123295210 172613294 246590420 345226588 431533235 604146529 863066470 1208293058 1726132940 2416586116 3020732645 6041465290 12082930580