Base | Representation |
---|---|
bin | 1101111011001011000010… |
… | …01000110001010000100111 |
3 | 11000102021201220201210110220 |
4 | 12331211201020301100213 |
5 | 13003141141043321210 |
6 | 145042501413015423 |
7 | 6310153222442244 |
oct | 675454110612047 |
9 | 130367656653426 |
10 | 30620451542055 |
11 | 9836073692921 |
12 | 3526547324573 |
13 | 141165b190c1b |
14 | 77c0758965cb |
15 | 381795357c70 |
hex | 1bd961231427 |
30620451542055 has 8 divisors (see below), whose sum is σ = 48992722467312. Its totient is φ = 16330907489088.
The previous prime is 30620451542053. The next prime is 30620451542063. The reversal of 30620451542055 is 55024515402603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30620451542055 - 21 = 30620451542053 is a prime.
It is a super-2 number, since 2×306204515420552 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30620451541998 and 30620451542016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30620451542053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020681718054 + ... + 1020681718083.
It is an arithmetic number, because the mean of its divisors is an integer number (6124090308414).
Almost surely, 230620451542055 is an apocalyptic number.
30620451542055 is a deficient number, since it is larger than the sum of its proper divisors (18372270925257).
30620451542055 is a wasteful number, since it uses less digits than its factorization.
30620451542055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2041363436145.
The product of its (nonzero) digits is 720000, while the sum is 42.
Adding to 30620451542055 its reverse (55024515402603), we get a palindrome (85644966944658).
The spelling of 30620451542055 in words is "thirty trillion, six hundred twenty billion, four hundred fifty-one million, five hundred forty-two thousand, fifty-five".
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