Search a number
-
+
13003662105 = 335731214409
BaseRepresentation
bin11000001110001010…
…00010001100011001
31020120020200110221000
430013011002030121
5203112414141410
65550201335213
7640146206220
oct140705021431
936506613830
1013003662105
115573256895
12262aa97509
1312c3084825
148b503dcb7
15511926dc0
hex307142319

13003662105 has 64 divisors (see below), whose sum is σ = 26434598400. Its totient is φ = 5941278720.

The previous prime is 13003662079. The next prime is 13003662143. The reversal of 13003662105 is 50126630031.

13003662105 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 36 + 621 + 0 + 5 = 666.

It is not a de Polignac number, because 13003662105 - 210 = 13003661081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2947141 + ... + 2951549.

It is an arithmetic number, because the mean of its divisors is an integer number (413040600).

Almost surely, 213003662105 is an apocalyptic number.

13003662105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13003662105 is an abundant number, since it is smaller than the sum of its proper divisors (13430936295).

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

13003662105 is a wasteful number, since it uses less digits than its factorization.

13003662105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551 (or 7545 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 13003662105 in words is "thirteen billion, three million, six hundred sixty-two thousand, one hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 3121 4409 9363 13227 15605 21847 22045 28089 30863 39681 46815 65541 66135 84267 92589 109235 119043 140445 154315 196623 198405 277767 327705 421335 462945 589869 595215 833301 983115 1388835 2949345 4166505 13760489 41281467 68802445 96323423 123844401 206407335 288970269 371533203 481617115 619222005 866910807 1444851345 1857666015 2600732421 4334554035 13003662105