Base | Representation |
---|---|
bin | 10010000010111100100… |
… | …000100011000110000101 |
3 | 11101112221121211100010112 |
4 | 102002330200203012011 |
5 | 130304222441331323 |
6 | 2345411122202405 |
7 | 155411106351044 |
oct | 22027440430605 |
9 | 4345847740115 |
10 | 1240113230213 |
11 | 438a24652720 |
12 | 1804134b3405 |
13 | 8cc32c639a0 |
14 | 44043b6c55b |
15 | 223d15dc178 |
hex | 120bc823185 |
1240113230213 has 16 divisors (see below), whose sum is σ = 1520260430976. Its totient is φ = 995408610240.
The previous prime is 1240113230189. The next prime is 1240113230221. The reversal of 1240113230213 is 3120323110421.
It is not a de Polignac number, because 1240113230213 - 222 = 1240109035909 is a prime.
It is a super-2 number, since 2×12401132302132 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1240113230243) 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, 188521070 + ... + 188527647.
It is an arithmetic number, because the mean of its divisors is an integer number (95016276936).
Almost surely, 21240113230213 is an apocalyptic number.
1240113230213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1240113230213 is a deficient number, since it is larger than the sum of its proper divisors (280147200763).
1240113230213 is a wasteful number, since it uses less digits than its factorization.
1240113230213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377048764.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 1240113230213 its reverse (3120323110421), we get a palindrome (4360436340634).
The spelling of 1240113230213 in words is "one trillion, two hundred forty billion, one hundred thirteen million, two hundred thirty thousand, two hundred thirteen".
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