Base | Representation |
---|---|
bin | 1101101100101101001101… |
… | …01100000101101101000000 |
3 | 10221122202202200202011201121 |
4 | 12312112212230011231000 |
5 | 12422020211432104100 |
6 | 144022255553042024 |
7 | 6226225663103314 |
oct | 666264654055500 |
9 | 127582680664647 |
10 | 30123402222400 |
11 | 966429926a223 |
12 | 346614a556314 |
13 | 13a6817449b66 |
14 | 761da24bbb44 |
15 | 3738a37c551a |
hex | 1b65a6b05b40 |
30123402222400 has 84 divisors (see below), whose sum is σ = 74124703151872. Its totient is φ = 12048985935360.
The previous prime is 30123402222359. The next prime is 30123402222409. The reversal of 30123402222400 is 422220432103.
It is a super-2 number, since 2×301234022224002 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30123402222409) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54320929 + ... + 54872671.
Almost surely, 230123402222400 is an apocalyptic number.
It is an amenable number.
30123402222400 is an abundant number, since it is smaller than the sum of its proper divisors (44001300929472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30123402222400 is a wasteful number, since it uses less digits than its factorization.
30123402222400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585888 (or 585873 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 30123402222400 its reverse (422220432103), we get a palindrome (30545622654503).
The spelling of 30123402222400 in words is "thirty trillion, one hundred twenty-three billion, four hundred two million, two hundred twenty-two thousand, four hundred".
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