Search a number
-
+
11311010221230 = 233541892630449
BaseRepresentation
bin1010010010011000110010…
…1111110000110010101110
31111001022200202020220012000
42210212030233300302232
52440304422104034410
640020112323553130
72245123243352226
oct244461457606256
944038622226160
1011311010221230
113670a774353a5
12132819652b7a6
13640815318765
142b1654a89086
1514935a775dc0
hexa498cbf0cae

11311010221230 has 32 divisors (see below), whose sum is σ = 30162693924000. Its totient is φ = 3016269392256.

The previous prime is 11311010221171. The next prime is 11311010221237. The reversal of 11311010221230 is 3212201011311.

11311010221230 is a `hidden beast` number, since 1 + 1 + 311 + 0 + 102 + 21 + 230 = 666.

11311010221230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311010221237) 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, 20946314955 + ... + 20946315494.

It is an arithmetic number, because the mean of its divisors is an integer number (942584185125).

Almost surely, 211311010221230 is an apocalyptic number.

11311010221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311010221230 is an abundant number, since it is smaller than the sum of its proper divisors (18851683702770).

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

11311010221230 is a wasteful number, since it uses less digits than its factorization.

11311010221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41892630465 (or 41892630459 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11311010221230 its reverse (3212201011311), we get a palindrome (14523211232541).

The spelling of 11311010221230 in words is "eleven trillion, three hundred eleven billion, ten million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 41892630449 83785260898 125677891347 209463152245 251355782694 377033674041 418926304490 628389456735 754067348082 1131101022123 1256778913470 1885168370205 2262202044246 3770336740410 5655505110615 11311010221230