Base | Representation |
---|---|
bin | 1101101111000101011000… |
… | …11000111110001111010101 |
3 | 10221221120122111202202022100 |
4 | 12313202230120332033111 |
5 | 12424340022134044023 |
6 | 144124011000152313 |
7 | 6235150406645352 |
oct | 667425430761725 |
9 | 127846574682270 |
10 | 30205102253013 |
11 | 9695a0385a486 |
12 | 3479b4b768699 |
13 | 13b143783c13c |
14 | 765d12d49629 |
15 | 375a86151c43 |
hex | 1b78ac63e3d5 |
30205102253013 has 24 divisors (see below), whose sum is σ = 43771986797760. Its totient is φ = 20071020461760.
The previous prime is 30205102252991. The next prime is 30205102253057. The reversal of 30205102253013 is 31035220150203.
It is a happy number.
30205102253013 is a `hidden beast` number, since 3 + 0 + 20 + 5 + 102 + 2 + 530 + 1 + 3 = 666.
It is a de Polignac number, because none of the positive numbers 2k-30205102253013 is a prime.
It is a super-2 number, since 2×302051022530132 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30205102253213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60441873 + ... + 60939561.
It is an arithmetic number, because the mean of its divisors is an integer number (1823832783240).
Almost surely, 230205102253013 is an apocalyptic number.
It is an amenable number.
30205102253013 is a deficient number, since it is larger than the sum of its proper divisors (13566884544747).
30205102253013 is a wasteful number, since it uses less digits than its factorization.
30205102253013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 519689 (or 519686 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The spelling of 30205102253013 in words is "thirty trillion, two hundred five billion, one hundred two million, two hundred fifty-three thousand, thirteen".
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