Base | Representation |
---|---|
bin | 1011000110101101110110… |
… | …0000000101010011100111 |
3 | 1121020021011211000120222202 |
4 | 2301223131200011103213 |
5 | 3100022101341332221 |
6 | 41545111434245115 |
7 | 2400100340013551 |
oct | 261533540052347 |
9 | 47207154016882 |
10 | 12210013230311 |
11 | 3988268177156 |
12 | 145247088679b |
13 | 6a752637c1c0 |
14 | 302d798a84d1 |
15 | 1629254b7d0b |
hex | b1add8054e7 |
12210013230311 has 4 divisors (see below), whose sum is σ = 13149245017272. Its totient is φ = 11270781443352.
The previous prime is 12210013230277. The next prime is 12210013230313. The reversal of 12210013230311 is 11303231001221.
It is a happy number.
12210013230311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12210013230311 is a prime.
It is a super-2 number, since 2×122100132303112 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210013230313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469615893461 + ... + 469615893486.
It is an arithmetic number, because the mean of its divisors is an integer number (3287311254318).
Almost surely, 212210013230311 is an apocalyptic number.
12210013230311 is a deficient number, since it is larger than the sum of its proper divisors (939231786961).
12210013230311 is an equidigital number, since it uses as much as digits as its factorization.
12210013230311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 939231786960.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 12210013230311 its reverse (11303231001221), we get a palindrome (23513244231532).
The spelling of 12210013230311 in words is "twelve trillion, two hundred ten billion, thirteen million, two hundred thirty thousand, three hundred eleven".
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