Base | Representation |
---|---|
bin | 1101111011001101111101… |
… | …01100111101111010011010 |
3 | 11000102102210022112101020012 |
4 | 12331212332230331322122 |
5 | 13003202344423442104 |
6 | 145043321250401522 |
7 | 6310240143325406 |
oct | 675467654757232 |
9 | 130372708471205 |
10 | 30622021312154 |
11 | 98367a9797388 |
12 | 3526904b902a2 |
13 | 141184b47117c |
14 | 77c18415c106 |
15 | 381838084d6e |
hex | 1bd9beb3de9a |
30622021312154 has 8 divisors (see below), whose sum is σ = 45933150582228. Its totient is φ = 15310971118080.
The previous prime is 30622021312109. The next prime is 30622021312171. The reversal of 30622021312154 is 45121312022603.
It can be written as a sum of positive squares in 2 ways, for example, as 30491213953225 + 130807358929 = 5521885^2 + 361673^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×306220213121543 (a number of 41 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30622021312154.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18791207 + ... + 20355674.
Almost surely, 230622021312154 is an apocalyptic number.
30622021312154 is a deficient number, since it is larger than the sum of its proper divisors (15311129270074).
30622021312154 is a wasteful number, since it uses less digits than its factorization.
30622021312154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39538000.
The product of its (nonzero) digits is 17280, while the sum is 32.
Adding to 30622021312154 its reverse (45121312022603), we get a palindrome (75743333334757).
The spelling of 30622021312154 in words is "thirty trillion, six hundred twenty-two billion, twenty-one million, three hundred twelve thousand, one hundred fifty-four".
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