Base | Representation |
---|---|
bin | 1101111100001101001100… |
… | …10000010100110111011101 |
3 | 11000112200102022122120201221 |
4 | 12332012212100110313131 |
5 | 13004231412021423211 |
6 | 145111054131533341 |
7 | 6312551352062161 |
oct | 676064620246735 |
9 | 130480368576657 |
10 | 30655970889181 |
11 | 984a140405060 |
12 | 35313ba75a251 |
13 | 1414acbb81ba1 |
14 | 77da84d52ca1 |
15 | 3826737c3c71 |
hex | 1be1a6414ddd |
30655970889181 has 8 divisors (see below), whose sum is σ = 33454133807328. Its totient is φ = 27859684050000.
The previous prime is 30655970889161. The next prime is 30655970889277. The reversal of 30655970889181 is 18198807955603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30655970889181 - 217 = 30655970758109 is a prime.
It is a super-2 number, since 2×306559708891812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30655970889181.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30655970889161) 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, 468985570 + ... + 469050931.
It is an arithmetic number, because the mean of its divisors is an integer number (4181766725916).
Almost surely, 230655970889181 is an apocalyptic number.
It is an amenable number.
30655970889181 is a deficient number, since it is larger than the sum of its proper divisors (2798162918147).
30655970889181 is a wasteful number, since it uses less digits than its factorization.
30655970889181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 938039483.
The product of its (nonzero) digits is 130636800, while the sum is 70.
The spelling of 30655970889181 in words is "thirty trillion, six hundred fifty-five billion, nine hundred seventy million, eight hundred eighty-nine thousand, one hundred eighty-one".
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