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13075121128830 = 2353119391725041
BaseRepresentation
bin1011111001000100100111…
…1100110100010101111110
31201021222011200011021020020
42332101021330310111332
53203210322002110310
643450343331033010
72516434455560655
oct276211174642576
951258150137206
1013075121128830
114191145011742
12157206773b766
1373ac950922c7
14332ba6c3019c
1517a1a9679170
hexbe449f3457e

13075121128830 has 64 divisors (see below), whose sum is σ = 32394273325056. Its totient is φ = 3374046144000.

The previous prime is 13075121128829. The next prime is 13075121128873. The reversal of 13075121128830 is 3882112157031.

It is a Curzon number.

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, 17671110 + ... + 18396150.

It is an arithmetic number, because the mean of its divisors is an integer number (506160520704).

Almost surely, 213075121128830 is an apocalyptic number.

13075121128830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13075121128830 is an abundant number, since it is smaller than the sum of its proper divisors (19319152196226).

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

13075121128830 is a wasteful number, since it uses less digits than its factorization.

13075121128830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744473.

The product of its (nonzero) digits is 80640, while the sum is 42.

It can be divided in two parts, 1307512 and 1128830, that added together give a palindrome (2436342).

The spelling of 13075121128830 in words is "thirteen trillion, seventy-five billion, one hundred twenty-one million, one hundred twenty-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 19391 38782 58173 96955 116346 193910 290865 581730 601121 725041 1202242 1450082 1803363 2175123 3005605 3606726 3625205 4350246 6011210 7250410 9016815 10875615 18033630 21751230 22476271 44952542 67428813 112381355 134857626 224762710 337144065 674288130 14059270031 28118540062 42177810093 70296350155 84355620186 140592700310 210889050465 421778100930 435837370961 871674741922 1307512112883 2179186854805 2615024225766 4358373709610 6537560564415 13075121128830