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13006801983 = 371752816899
BaseRepresentation
bin11000001110100010…
…00000110000111111
31020120110121000000210
430013101000300333
5203114220130413
65550352523503
7640214664330
oct140721006077
936513530023
1013006801983
11557500092a
12262bb50593
1312c3913a46
148b561a287
15511d473c3
hex307440c3f

13006801983 has 32 divisors (see below), whose sum is σ = 20992780800. Its totient is φ = 6992916480.

The previous prime is 13006801961. The next prime is 13006801987. The reversal of 13006801983 is 38910860031.

It is not a de Polignac number, because 13006801983 - 212 = 13006797887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006801987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1881868 + ... + 1888766.

It is an arithmetic number, because the mean of its divisors is an integer number (656024400).

Almost surely, 213006801983 is an apocalyptic number.

13006801983 is a deficient number, since it is larger than the sum of its proper divisors (7985978817).

13006801983 is a wasteful number, since it uses less digits than its factorization.

13006801983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 13006801983 in words is "thirteen billion, six million, eight hundred one thousand, nine hundred eighty-three".

Divisors: 1 3 7 17 21 51 119 357 5281 6899 15843 20697 36967 48293 89777 110901 117283 144879 269331 351849 628439 820981 1885317 2462943 36433619 109300857 255035333 619371523 765105999 1858114569 4335600661 13006801983