Base | Representation |
---|---|
bin | 1100001100100… |
… | …0010100011111 |
3 | 10120020210120102 |
4 | 3003020110133 |
5 | 101043332114 |
6 | 5024211315 |
7 | 1160533442 |
oct | 303102437 |
9 | 116223512 |
10 | 51152159 |
11 | 26968413 |
12 | 15169b3b |
13 | a79c966 |
14 | 6b17659 |
15 | 47562de |
hex | 30c851f |
51152159 has 2 divisors, whose sum is σ = 51152160. Its totient is φ = 51152158.
The previous prime is 51152149. The next prime is 51152173. The reversal of 51152159 is 95125115.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51152159 - 224 = 34374943 is a prime.
It is a super-3 number, since 3×511521593 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51152149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576079 + 25576080.
It is an arithmetic number, because the mean of its divisors is an integer number (25576080).
Almost surely, 251152159 is an apocalyptic number.
51152159 is a deficient number, since it is larger than the sum of its proper divisors (1).
51152159 is an equidigital number, since it uses as much as digits as its factorization.
51152159 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2250, while the sum is 29.
The square root of 51152159 is about 7152.0737552125. The cubic root of 51152159 is about 371.2114153085.
The spelling of 51152159 in words is "fifty-one million, one hundred fifty-two thousand, one hundred fifty-nine".
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