Base | Representation |
---|---|
bin | 1011111101101111000101… |
… | …1110101011000110000101 |
3 | 1201120121222101020002222000 |
4 | 2333123301132223012011 |
5 | 3211013413222211440 |
6 | 43551233454255513 |
7 | 2525302066203111 |
oct | 277336136530605 |
9 | 51517871202860 |
10 | 13155241210245 |
11 | 4212119785762 |
12 | 15856a77b7599 |
13 | 7456c304c0c4 |
14 | 336a07906741 |
15 | 17c2e8467730 |
hex | bf6f17ab185 |
13155241210245 has 128 divisors (see below), whose sum is σ = 24092150630400. Its totient is φ = 6808477648896.
The previous prime is 13155241210217. The next prime is 13155241210249. The reversal of 13155241210245 is 54201214255131.
13155241210245 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 524 + 121 + 0 + 2 + 4 + 5 = 666.
It is not a de Polignac number, because 13155241210245 - 27 = 13155241210117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13155241210249) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 173200917 + ... + 173276853.
It is an arithmetic number, because the mean of its divisors is an integer number (188219926800).
Almost surely, 213155241210245 is an apocalyptic number.
13155241210245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13155241210245 is a deficient number, since it is larger than the sum of its proper divisors (10936909420155).
13155241210245 is a wasteful number, since it uses less digits than its factorization.
13155241210245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76304 (or 76298 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
Adding to 13155241210245 its reverse (54201214255131), we get a palindrome (67356455465376).
The spelling of 13155241210245 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-one million, two hundred ten thousand, two hundred forty-five".
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