Search a number
-
+
1011221113230 = 2325101111245447
BaseRepresentation
bin11101011011100010111…
…10011010100110001110
310120200010201221001001100
432231301132122212032
5113031440101110410
62052314253523530
7133026000432606
oct16556136324616
93520121831040
101011221113230
1135a946a57399
12143b93aa35a6
1374485c60503
1436d2c833c06
151b4869308c0
hexeb7179a98e

1011221113230 has 48 divisors (see below), whose sum is σ = 2655206352864. Its totient is φ = 266989070400.

The previous prime is 1011221113081. The next prime is 1011221113267. The reversal of 1011221113230 is 323111221101.

1011221113230 is a `hidden beast` number, since 101 + 1 + 221 + 113 + 230 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55613634 + ... + 55631813.

It is an arithmetic number, because the mean of its divisors is an integer number (55316799018).

Almost surely, 21011221113230 is an apocalyptic number.

1011221113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011221113230 is an abundant number, since it is smaller than the sum of its proper divisors (1643985239634).

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

1011221113230 is a wasteful number, since it uses less digits than its factorization.

1011221113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111245561 (or 111245558 counting only the distinct ones).

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

Adding to 1011221113230 its reverse (323111221101), we get a palindrome (1334332334331).

The spelling of 1011221113230 in words is "one trillion, eleven billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 101 202 303 505 606 909 1010 1515 1818 3030 4545 9090 111245447 222490894 333736341 556227235 667472682 1001209023 1112454470 1668681705 2002418046 3337363410 5006045115 10012090230 11235790147 22471580294 33707370441 56178950735 67414740882 101122111323 112357901470 168536852205 202244222646 337073704410 505610556615 1011221113230