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13455642222 = 232111737108041
BaseRepresentation
bin11001000100000010…
…01100111001101110
31021201202011110002100
430202001030321232
5210024121022342
610103105035530
7654305033421
oct144201147156
937652143070
1013455642222
1157853a5180
122736325ba6
1313658c5899
149190959b8
1553b456e4c
hex32204ce6e

13455642222 has 96 divisors (see below), whose sum is σ = 34585540704. Its totient is φ = 3733862400.

The previous prime is 13455642203. The next prime is 13455642223. The reversal of 13455642222 is 22224655431.

13455642222 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 5 + 642 + 2 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455642223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70522 + ... + 178562.

It is an arithmetic number, because the mean of its divisors is an integer number (360266049).

Almost surely, 213455642222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13455642222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292770352).

13455642222 is an abundant number, since it is smaller than the sum of its proper divisors (21129898482).

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

13455642222 is a wasteful number, since it uses less digits than its factorization.

13455642222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108114 (or 108111 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 13455642222 in words is "thirteen billion, four hundred fifty-five million, six hundred forty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 17 18 22 33 34 37 51 66 74 99 102 111 153 187 198 222 306 333 374 407 561 629 666 814 1122 1221 1258 1683 1887 2442 3366 3663 3774 5661 6919 7326 11322 13838 20757 41514 62271 108041 124542 216082 324123 648246 972369 1188451 1836697 1944738 2376902 3565353 3673394 3997517 5510091 7130706 7995034 10696059 11020182 11992551 16530273 20203667 21392118 23985102 33060546 35977653 40407334 43972687 60611001 67957789 71955306 87945374 121222002 131918061 135915578 181833003 203873367 263836122 363666006 395754183 407746734 611620101 747535679 791508366 1223240202 1495071358 2242607037 4485214074 6727821111 13455642222