Base | Representation |
---|---|
bin | 1001101011111100110000… |
… | …11111110100111111101110 |
3 | 2210102101101022102220120202 |
4 | 10311332120133310333232 |
5 | 10243000031113114410 |
6 | 113145403245113502 |
7 | 4325653050413366 |
oct | 465763037647756 |
9 | 83371338386522 |
10 | 21301301301230 |
11 | 6872916296095 |
12 | 2480402858892 |
13 | bb691cb804b2 |
14 | 538dba5859a6 |
15 | 26e168156ca5 |
hex | 135f987f4fee |
21301301301230 has 16 divisors (see below), whose sum is σ = 38343885678864. Its totient is φ = 8520177556800.
The previous prime is 21301301301169. The next prime is 21301301301253. The reversal of 21301301301230 is 3210310310312.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42609527 + ... + 43106546.
It is an arithmetic number, because the mean of its divisors is an integer number (2396492854929).
Almost surely, 221301301301230 is an apocalyptic number.
21301301301230 is a deficient number, since it is larger than the sum of its proper divisors (17042584377634).
21301301301230 is a wasteful number, since it uses less digits than its factorization.
21301301301230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85740931.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 21301301301230 its reverse (3210310310312), we get a palindrome (24511611611542).
The spelling of 21301301301230 in words is "twenty-one trillion, three hundred one billion, three hundred one million, three hundred one thousand, two hundred thirty".
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