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13195015108 = 22116743310337
BaseRepresentation
bin11000100100111101…
…11111001111000100
31021001120202012220021
430102132333033010
5204010410440413
610021154544524
7644661530542
oct142236771704
937046665807
1013195015108
115661273170
122682b98144
131323902062
148d2610d92
1552362418d
hex3127bf3c4

13195015108 has 48 divisors (see below), whose sum is σ = 25627984704. Its totient is φ = 5894000640.

The previous prime is 13195015091. The next prime is 13195015111. The reversal of 13195015108 is 80151059131.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 1271316 + ... + 1281652.

It is an arithmetic number, because the mean of its divisors is an integer number (533916348).

Almost surely, 213195015108 is an apocalyptic number.

It is an amenable number.

13195015108 is a deficient number, since it is larger than the sum of its proper divisors (12432969596).

13195015108 is a wasteful number, since it uses less digits than its factorization.

13195015108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852 (or 10850 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 13195015108 in words is "thirteen billion, one hundred ninety-five million, fifteen thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 67 134 268 433 737 866 1474 1732 2948 4763 9526 10337 19052 20674 29011 41348 58022 113707 116044 227414 319121 454828 638242 692579 1276484 1385158 2770316 4475921 7618369 8951842 15236738 17903684 30473476 49235131 98470262 196940524 299886707 599773414 1199546828 3298753777 6597507554 13195015108