Base | Representation |
---|---|
bin | 1101110000110000101010… |
… | …00010001110110100100000 |
3 | 10222011002022001221002220100 |
4 | 12320120111002032310200 |
5 | 12431310443233133034 |
6 | 144210253342342400 |
7 | 6242256505520604 |
oct | 670302502166440 |
9 | 128132261832810 |
10 | 30262692474144 |
11 | 9708376a55a59 |
12 | 348914258aa00 |
13 | 13b69b4c68670 |
14 | 768a17755504 |
15 | 37730704b099 |
hex | 1b861508ed20 |
30262692474144 has 288 divisors, whose sum is σ = 99142913142000. Its totient is φ = 8673505837056.
The previous prime is 30262692474143. The next prime is 30262692474167. The reversal of 30262692474144 is 44147429626203.
30262692474144 is a `hidden beast` number, since 3 + 0 + 2 + 6 + 26 + 9 + 2 + 474 + 144 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 19585404291600 + 10677288182544 = 4425540^2 + 3267612^2 .
It is a tau number, because it is divible by the number of its divisors (288).
It is a super-2 number, since 2×302626924741442 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30262692474143) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3722982 + ... + 8624730.
Almost surely, 230262692474144 is an apocalyptic number.
30262692474144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30262692474144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49571456571000).
30262692474144 is an abundant number, since it is smaller than the sum of its proper divisors (68880220667856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30262692474144 is a wasteful number, since it uses less digits than its factorization.
30262692474144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4901892 (or 4901881 counting only the distinct ones).
The product of its (nonzero) digits is 13934592, while the sum is 54.
The spelling of 30262692474144 in words is "thirty trillion, two hundred sixty-two billion, six hundred ninety-two million, four hundred seventy-four thousand, one hundred forty-four".
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