Base | Representation |
---|---|
bin | 1000000111101… |
… | …11010111000011 |
3 | 11202011221212221 |
4 | 10003313113003 |
5 | 114414401201 |
6 | 10432031511 |
7 | 1455012364 |
oct | 403672703 |
9 | 152157787 |
10 | 68122051 |
11 | 354a9118 |
12 | 1a992597 |
13 | 11161b0a |
14 | 9093b6b |
15 | 5ea94a1 |
hex | 40f75c3 |
68122051 has 2 divisors, whose sum is σ = 68122052. Its totient is φ = 68122050.
The previous prime is 68122039. The next prime is 68122063. The reversal of 68122051 is 15022186.
It is a balanced prime because it is at equal distance from previous prime (68122039) and next prime (68122063).
It is a cyclic number.
It is not a de Polignac number, because 68122051 - 27 = 68121923 is a prime.
It is a super-2 number, since 2×681220512 = 9281227664893202, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (68122091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34061025 + 34061026.
It is an arithmetic number, because the mean of its divisors is an integer number (34061026).
Almost surely, 268122051 is an apocalyptic number.
68122051 is a deficient number, since it is larger than the sum of its proper divisors (1).
68122051 is an equidigital number, since it uses as much as digits as its factorization.
68122051 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 68122051 is about 8253.6083624073. The cubic root of 68122051 is about 408.4095652574.
The spelling of 68122051 in words is "sixty-eight million, one hundred twenty-two thousand, fifty-one".
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