Base | Representation |
---|---|
bin | 111001011000101000… |
… | …1110001110111010101 |
3 | 102210002100012220000122 |
4 | 1302301101301313111 |
5 | 4004340211442323 |
6 | 132340153321325 |
7 | 11621556604424 |
oct | 1626121616725 |
9 | 383070186018 |
10 | 123233312213 |
11 | 48298aa0480 |
12 | 1ba72706245 |
13 | b80c01a66b |
14 | 5d709232bb |
15 | 3313c83ec8 |
hex | 1cb1471dd5 |
123233312213 has 32 divisors (see below), whose sum is σ = 139116096000. Its totient is φ = 108201412800.
The previous prime is 123233312197. The next prime is 123233312221. The reversal of 123233312213 is 312213332321.
It is a cyclic number.
It is not a de Polignac number, because 123233312213 - 24 = 123233312197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123233312113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58709438 + ... + 58711536.
It is an arithmetic number, because the mean of its divisors is an integer number (4347378000).
Almost surely, 2123233312213 is an apocalyptic number.
It is an amenable number.
123233312213 is a deficient number, since it is larger than the sum of its proper divisors (15882783787).
123233312213 is a wasteful number, since it uses less digits than its factorization.
123233312213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3713.
The product of its digits is 3888, while the sum is 26.
Adding to 123233312213 its reverse (312213332321), we get a palindrome (435446644534).
The spelling of 123233312213 in words is "one hundred twenty-three billion, two hundred thirty-three million, three hundred twelve thousand, two hundred thirteen".
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