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12621833830382 = 272128794222759
BaseRepresentation
bin1011011110101011111111…
…1010111111111111101110
31122200122011022010122220012
42313222333322333333232
53123244003430033012
642502220155053222
72441616544242500
oct267527772777756
948618138118805
1012621833830382
114026987168317
1214ba242741212
1370730692b34a
14318c85909d70
1516d4c99e6622
hexb7abfebffee

12621833830382 has 12 divisors (see below), whose sum is σ = 22023812091960. Its totient is φ = 5409357355836.

The previous prime is 12621833830349. The next prime is 12621833830393. The reversal of 12621833830382 is 28303833812621.

It is a self number, because there is not a number n which added to its sum of digits gives 12621833830382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64397111282 + ... + 64397111477.

It is an arithmetic number, because the mean of its divisors is an integer number (1835317674330).

Almost surely, 212621833830382 is an apocalyptic number.

12621833830382 is a deficient number, since it is larger than the sum of its proper divisors (9401978261578).

12621833830382 is a wasteful number, since it uses less digits than its factorization.

12621833830382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128794222775 (or 128794222768 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 12621833830382 in words is "twelve trillion, six hundred twenty-one billion, eight hundred thirty-three million, eight hundred thirty thousand, three hundred eighty-two".

Divisors: 1 2 7 14 49 98 128794222759 257588445518 901559559313 1803119118626 6310916915191 12621833830382