Base | Representation |
---|---|
bin | 10111101110101011001010… |
… | …10110110010100011010101 |
3 | 20211202110221121012021122100 |
4 | 23313111211112302203111 |
5 | 23314414204041332044 |
6 | 302551423345352313 |
7 | 13663654135664310 |
oct | 1367254526624325 |
9 | 224673847167570 |
10 | 52181258152149 |
11 | 15698a46956415 |
12 | 5a290b1938699 |
13 | 2316896473bc9 |
14 | cc582cddd977 |
15 | 60754aa1b869 |
hex | 2f75655b28d5 |
52181258152149 has 12 divisors (see below), whose sum is σ = 86140489648096. Its totient is φ = 29817861801192.
The previous prime is 52181258151941. The next prime is 52181258152201. The reversal of 52181258152149 is 94125185218125.
52181258152149 is a `hidden beast` number, since 5 + 2 + 1 + 8 + 1 + 2 + 581 + 52 + 1 + 4 + 9 = 666.
It is not a de Polignac number, because 52181258152149 - 228 = 52180989716693 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 52181258152095 and 52181258152104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52181258154149) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414136969399 + ... + 414136969524.
Almost surely, 252181258152149 is an apocalyptic number.
It is an amenable number.
52181258152149 is a deficient number, since it is larger than the sum of its proper divisors (33959231495947).
52181258152149 is a wasteful number, since it uses less digits than its factorization.
52181258152149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 828273938936 (or 828273938933 counting only the distinct ones).
The product of its digits is 2304000, while the sum is 54.
The spelling of 52181258152149 in words is "fifty-two trillion, one hundred eighty-one billion, two hundred fifty-eight million, one hundred fifty-two thousand, one hundred forty-nine".
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