Search a number
-
+
12213333013240 = 23517101177829543
BaseRepresentation
bin1011000110111010001101…
…1000000011001011111000
31121020120202011210001001001
42301232203120003023320
53100100401222410430
641550421104534344
72400245530502152
oct261564330031370
947216664701031
1012213333013240
1139897110a3207
1214530386213b4
136a7935099bb8
143031b2753ad2
15162a6bb773ca
hexb1ba36032f8

12213333013240 has 64 divisors (see below), whose sum is σ = 29384553850560. Its totient is φ = 4552436275200.

The previous prime is 12213333013213. The next prime is 12213333013241. The reversal of 12213333013240 is 4231033331221.

It is a junction number, because it is equal to n+sod(n) for n = 12213333013199 and 12213333013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213333013241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88846092 + ... + 88983451.

It is an arithmetic number, because the mean of its divisors is an integer number (459133653915).

Almost surely, 212213333013240 is an apocalyptic number.

12213333013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213333013240 is an abundant number, since it is smaller than the sum of its proper divisors (17171220837320).

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

12213333013240 is a wasteful number, since it uses less digits than its factorization.

12213333013240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177829672 (or 177829668 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12213333013240 its reverse (4231033331221), we get a palindrome (16444366344461).

The spelling of 12213333013240 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-three million, thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 101 136 170 202 340 404 505 680 808 1010 1717 2020 3434 4040 6868 8585 13736 17170 34340 68680 177829543 355659086 711318172 889147715 1422636344 1778295430 3023102231 3556590860 6046204462 7113181720 12092408924 15115511155 17960783843 24184817848 30231022310 35921567686 60462044620 71843135372 89803919215 120924089240 143686270744 179607838430 305333325331 359215676860 610666650662 718431353720 1221333301324 1526666626655 2442666602648 3053333253310 6106666506620 12213333013240