Base | Representation |
---|---|
bin | 10100111000110100… |
… | …11111000011011111 |
3 | 1001221112100111002110 |
4 | 22130122133003133 |
5 | 140431303420411 |
6 | 5052433325103 |
7 | 544616321553 |
oct | 123432370337 |
9 | 31845314073 |
10 | 11214123231 |
11 | 4835097843 |
12 | 220b706793 |
13 | 10993b819c |
14 | 7854cb863 |
15 | 4597882a6 |
hex | 29c69f0df |
11214123231 has 8 divisors (see below), whose sum is σ = 14953065264. Its totient is φ = 7475631680.
The previous prime is 11214123203. The next prime is 11214123251. The reversal of 11214123231 is 13232141211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11214123231 - 25 = 11214123199 is a prime.
It is a super-2 number, since 2×112141232312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11214123198 and 11214123207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11214123251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49476 + ... + 157721.
It is an arithmetic number, because the mean of its divisors is an integer number (1869133158).
Almost surely, 211214123231 is an apocalyptic number.
11214123231 is a deficient number, since it is larger than the sum of its proper divisors (3738942033).
11214123231 is a wasteful number, since it uses less digits than its factorization.
11214123231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225241.
The product of its digits is 288, while the sum is 21.
Adding to 11214123231 its reverse (13232141211), we get a palindrome (24446264442).
The spelling of 11214123231 in words is "eleven billion, two hundred fourteen million, one hundred twenty-three thousand, two hundred thirty-one".
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