Base | Representation |
---|---|
bin | 1110100011010… |
… | …00001011101001 |
3 | 22111200100221222 |
4 | 13101220023221 |
5 | 222221432140 |
6 | 20040111425 |
7 | 3011335364 |
oct | 721501351 |
9 | 274610858 |
10 | 122061545 |
11 | 6299a711 |
12 | 34a65575 |
13 | 1c399388 |
14 | 122d50db |
15 | aab15b5 |
hex | 74682e9 |
122061545 has 8 divisors (see below), whose sum is σ = 147457800. Its totient is φ = 96993280.
The previous prime is 122061523. The next prime is 122061559. The reversal of 122061545 is 545160221.
122061545 = T158 + T159 + ... + T902.
It can be written as a sum of positive squares in 4 ways, for example, as 21641104 + 100420441 = 4652^2 + 10021^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122061545 - 216 = 121996009 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81176 + ... + 82665.
It is an arithmetic number, because the mean of its divisors is an integer number (18432225).
Almost surely, 2122061545 is an apocalyptic number.
It is an amenable number.
122061545 is a deficient number, since it is larger than the sum of its proper divisors (25396255).
122061545 is a wasteful number, since it uses less digits than its factorization.
122061545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163995.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 122061545 is about 11048.1466771581. The cubic root of 122061545 is about 496.0509521560.
The spelling of 122061545 in words is "one hundred twenty-two million, sixty-one thousand, five hundred forty-five".
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