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13191081676848 = 243514389235789
BaseRepresentation
bin1011111111110100100110…
…1111001101000000110000
31201201001111011101110100000
42333331021233031000300
53212110313402124343
644015522124030000
72531011205143305
oct277751157150060
951631434343300
1013191081676848
114226340796799
12159062a692300
13748bb54239aa
143386478b30ac
1517d1e4bb4ed3
hexbff49bcd030

13191081676848 has 120 divisors (see below), whose sum is σ = 38286816240400. Its totient is φ = 4396702996224.

The previous prime is 13191081676837. The next prime is 13191081676867. The reversal of 13191081676848 is 84867618019131.

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, 55826538 + ... + 56062326.

Almost surely, 213191081676848 is an apocalyptic number.

13191081676848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13191081676848 is an abundant number, since it is smaller than the sum of its proper divisors (25095734563552).

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

13191081676848 is a wasteful number, since it uses less digits than its factorization.

13191081676848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250201 (or 250183 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 13191081676848 in words is "thirteen trillion, one hundred ninety-one billion, eighty-one million, six hundred seventy-six thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 972 1296 1944 3888 14389 28778 43167 57556 86334 115112 129501 172668 230224 235789 259002 345336 388503 471578 518004 690672 707367 777006 943156 1036008 1165509 1414734 1554012 1886312 2072016 2122101 2331018 2829468 3108024 3496527 3772624 4244202 4662036 5658936 6216048 6366303 6993054 8488404 9324072 11317872 12732606 13986108 16976808 18648144 19098909 25465212 27972216 33953616 38197818 50930424 55944432 57296727 76395636 101860848 114593454 152791272 229186908 305582544 458373816 916747632 3392767921 6785535842 10178303763 13571071684 20356607526 27142143368 30534911289 40713215052 54284286736 61069822578 81426430104 91604733867 122139645156 162852860208 183209467734 244279290312 274814201601 366418935468 488558580624 549628403202 732837870936 824442604803 1099256806404 1465675741872 1648885209606 2198513612808 3297770419212 4397027225616 6595540838424 13191081676848