Base | Representation |
---|---|
bin | 10100111001100011… |
… | …01101100100101101 |
3 | 1001221221210211022220 |
4 | 22130301231210231 |
5 | 140434333241023 |
6 | 5053212025553 |
7 | 545022141243 |
oct | 123461554455 |
9 | 31857724286 |
10 | 11220212013 |
11 | 483857639a |
12 | 22117622b9 |
13 | 109a73a70a |
14 | 786234793 |
15 | 45a08c3e3 |
hex | 29cc6d92d |
11220212013 has 8 divisors (see below), whose sum is σ = 15442872576. Its totient is φ = 7238846400.
The previous prime is 11220211997. The next prime is 11220212023. The reversal of 11220212013 is 31021202211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11220212013 - 24 = 11220211997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 11220211983 and 11220212001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11220212023) 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, 60323628 + ... + 60323813.
It is an arithmetic number, because the mean of its divisors is an integer number (1930359072).
Almost surely, 211220212013 is an apocalyptic number.
It is an amenable number.
11220212013 is a deficient number, since it is larger than the sum of its proper divisors (4222660563).
11220212013 is a wasteful number, since it uses less digits than its factorization.
11220212013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120647475.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 11220212013 its reverse (31021202211), we get a palindrome (42241414224).
The spelling of 11220212013 in words is "eleven billion, two hundred twenty million, two hundred twelve thousand, thirteen".
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