Base | Representation |
---|---|
bin | 1011111101101111001000… |
… | …0000010100011101101101 |
3 | 1201120121222222211020000002 |
4 | 2333123302000110131231 |
5 | 3211013423001433240 |
6 | 43551234411314045 |
7 | 2525302234160015 |
oct | 277336200243555 |
9 | 51517888736002 |
10 | 13155250030445 |
11 | 421212375a486 |
12 | 15856aa74b925 |
13 | 7456c4b19963 |
14 | 336a08b60c45 |
15 | 17c2e910ad15 |
hex | bf6f201476d |
13155250030445 has 16 divisors (see below), whose sum is σ = 16715268365040. Its totient is φ = 9904914653184.
The previous prime is 13155250030427. The next prime is 13155250030451. The reversal of 13155250030445 is 54403005255131.
It can be written as a sum of positive squares in 8 ways, for example, as 350897477956 + 12804352552489 = 592366^2 + 3578317^2 .
It is a cyclic number.
It is not a de Polignac number, because 13155250030445 - 210 = 13155250029421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13155250030399 and 13155250030408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320769 + ... + 5629961.
It is an arithmetic number, because the mean of its divisors is an integer number (1044704272815).
Almost surely, 213155250030445 is an apocalyptic number.
It is an amenable number.
13155250030445 is a deficient number, since it is larger than the sum of its proper divisors (3560018334595).
13155250030445 is a wasteful number, since it uses less digits than its factorization.
13155250030445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3355984.
The product of its (nonzero) digits is 180000, while the sum is 38.
Adding to 13155250030445 its reverse (54403005255131), we get a palindrome (67558255285576).
The spelling of 13155250030445 in words is "thirteen trillion, one hundred fifty-five billion, two hundred fifty million, thirty thousand, four hundred forty-five".
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