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12008790508 = 22111329716649
BaseRepresentation
bin10110010111100011…
…11001100111101100
31010222220122202122211
423023301321213230
5144043222244013
65303342020204
7603406015021
oct131361714754
933886582584
1012008790508
115102716060
1223b1877664
131194c21a00
1481cc69548
154a440a23d
hex2cbc799ec

12008790508 has 72 divisors (see below), whose sum is σ = 25082492400. Its totient is φ = 4986408960.

The previous prime is 12008790491. The next prime is 12008790517. The reversal of 12008790508 is 80509780021.

It is a super-2 number, since 2×120087905082 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712968 + ... + 729616.

It is an arithmetic number, because the mean of its divisors is an integer number (348367950).

Almost surely, 212008790508 is an apocalyptic number.

It is an amenable number.

12008790508 is an abundant number, since it is smaller than the sum of its proper divisors (13073701892).

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

12008790508 is a wasteful number, since it uses less digits than its factorization.

12008790508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16787 (or 16772 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 12008790508 in words is "twelve billion, eight million, seven hundred ninety thousand, five hundred eight".

Divisors: 1 2 4 11 13 22 26 44 52 97 143 169 194 286 338 388 572 676 1067 1261 1859 2134 2522 3718 4268 5044 7436 13871 16393 16649 27742 32786 33298 55484 65572 66596 180323 183139 216437 360646 366278 432874 721292 732556 865748 1614953 2380807 2813681 3229906 4761614 5627362 6459812 9523228 11254724 17764483 20994389 30950491 35528966 41988778 61900982 71057932 83977556 123801964 230938279 272927057 461876558 545854114 923753116 1091708228 3002197627 6004395254 12008790508