Base | Representation |
---|---|
bin | 1101001001000… |
… | …1110001111011 |
3 | 10211201112122002 |
4 | 3102101301323 |
5 | 103102414232 |
6 | 5245251215 |
7 | 1236352436 |
oct | 322216173 |
9 | 124645562 |
10 | 55123067 |
11 | 2912a85a |
12 | 16563b0b |
13 | b5601cc |
14 | 746c81d |
15 | 4c8cb62 |
hex | 3491c7b |
55123067 has 2 divisors, whose sum is σ = 55123068. Its totient is φ = 55123066.
The previous prime is 55123049. The next prime is 55123069. The reversal of 55123067 is 76032155.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 55123067 - 214 = 55106683 is a prime.
Together with 55123069, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p3289142 and since 55123067 and 3289142 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (55123069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27561533 + 27561534.
It is an arithmetic number, because the mean of its divisors is an integer number (27561534).
Almost surely, 255123067 is an apocalyptic number.
55123067 is a deficient number, since it is larger than the sum of its proper divisors (1).
55123067 is an equidigital number, since it uses as much as digits as its factorization.
55123067 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 55123067 is about 7424.4910263263. The cubic root of 55123067 is about 380.5786820202.
The spelling of 55123067 in words is "fifty-five million, one hundred twenty-three thousand, sixty-seven".
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