Base | Representation |
---|---|
bin | 11110111001011001010… |
… | …111101000110101100110 |
3 | 21111222101101020121002112 |
4 | 132321121113220311212 |
5 | 234241320040304110 |
6 | 4303220215441022 |
7 | 306253126351340 |
oct | 36713127506546 |
9 | 7458341217075 |
10 | 2123213213030 |
11 | 7494a4563468 |
12 | 2a35ab986172 |
13 | 1252ab365410 |
14 | 74a9a860290 |
15 | 3a36a0e1405 |
hex | 1ee595e8d66 |
2123213213030 has 32 divisors (see below), whose sum is σ = 4703733889344. Its totient is φ = 671961983616.
The previous prime is 2123213213003. The next prime is 2123213213053. The reversal of 2123213213030 is 303123123212.
It is a junction number, because it is equal to n+sod(n) for n = 2123213212987 and 2123213213005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166599757 + ... + 1166601576.
It is an arithmetic number, because the mean of its divisors is an integer number (146991684042).
Almost surely, 22123213213030 is an apocalyptic number.
2123213213030 is an abundant number, since it is smaller than the sum of its proper divisors (2580520676314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123213213030 is a wasteful number, since it uses less digits than its factorization.
2123213213030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2333201360.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 2123213213030 its reverse (303123123212), we get a palindrome (2426336336242).
The spelling of 2123213213030 in words is "two trillion, one hundred twenty-three billion, two hundred thirteen million, two hundred thirteen thousand, thirty".
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