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12019096840 = 235436987847
BaseRepresentation
bin10110011000110010…
…01101110100001000
31011000122001101021211
423030121031310020
5144103342044330
65304350542504
7603562431442
oct131431156410
934018041254
1012019096840
115108515393
1223b5207a34
1311970bcb2a
1482038d492
154a5293d2a
hex2cc64dd08

12019096840 has 32 divisors (see below), whose sum is σ = 27671878080. Its totient is φ = 4695832512.

The previous prime is 12019096829. The next prime is 12019096891. The reversal of 12019096840 is 4869091021.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 12019096793 and 12019096802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492204 + ... + 3495643.

It is an arithmetic number, because the mean of its divisors is an integer number (864746190).

Almost surely, 212019096840 is an apocalyptic number.

12019096840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12019096840 is an abundant number, since it is smaller than the sum of its proper divisors (15652781240).

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

12019096840 is a wasteful number, since it uses less digits than its factorization.

12019096840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987901 (or 6987897 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 12019096840 in words is "twelve billion, nineteen million, ninety-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 6987847 13975694 27951388 34939235 55902776 69878470 139756940 279513880 300477421 600954842 1201909684 1502387105 2403819368 3004774210 6009548420 12019096840