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12808353776308 = 2223372183155541
BaseRepresentation
bin1011101001100010110101…
…1000001000001010110100
31200100110121012022122112121
42322120231120020022310
53134323002031320213
643124024304525324
72461241642520346
oct272305530101264
950313535278477
1012808353776308
114098aa0880362
12152a417920844
1371ba9028835c
14323cdb5bd296
151732947e088d
hexba62d6082b4

12808353776308 has 72 divisors (see below), whose sum is σ = 24051953890944. Its totient is φ = 5956811625600.

The previous prime is 12808353776293. The next prime is 12808353776321. The reversal of 12808353776308 is 80367735380821.

It is a happy number.

It is a super-2 number, since 2×128083537763082 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230583018 + ... + 230638558.

It is an arithmetic number, because the mean of its divisors is an integer number (334054915152).

Almost surely, 212808353776308 is an apocalyptic number.

It is an amenable number.

12808353776308 is a deficient number, since it is larger than the sum of its proper divisors (11243600114636).

12808353776308 is a wasteful number, since it uses less digits than its factorization.

12808353776308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57473 (or 57434 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 12808353776308 in words is "twelve trillion, eight hundred eight billion, three hundred fifty-three million, seven hundred seventy-six thousand, three hundred eight".

Divisors: 1 2 4 23 37 46 74 92 148 851 1369 1702 1831 2738 3404 3662 5476 7324 31487 42113 55541 62974 67747 84226 111082 125948 135494 168452 222164 270988 1277443 1558181 2055017 2506639 2554886 3116362 4110034 5013278 5109772 6232724 8220068 10026556 47265391 57652697 76035629 94530782 101695571 115305394 152071258 189061564 203391142 230610788 304142516 406782284 1748819467 2338998133 3497638934 3762736127 4677996266 6995277868 7525472254 9355992532 15050944508 86542930921 139221236699 173085861842 278442473398 346171723684 556884946796 3202088444077 6404176888154 12808353776308