Base | Representation |
---|---|
bin | 111000110110110111… |
… | …101101010011010001 |
3 | 12211120200120012002210 |
4 | 320312313231103101 |
5 | 2000012312142111 |
6 | 44013535502333 |
7 | 4260610263201 |
oct | 706667552321 |
9 | 184520505083 |
10 | 61050115281 |
11 | 23989220231 |
12 | b9b96879a9 |
13 | 59ac19308c |
14 | 2d52128401 |
15 | 18c4a330a6 |
hex | e36ded4d1 |
61050115281 has 16 divisors (see below), whose sum is σ = 85998700800. Its totient is φ = 38460524928.
The previous prime is 61050115271. The next prime is 61050115331. The reversal of 61050115281 is 18251105016.
It is not a de Polignac number, because 61050115281 - 225 = 61016560849 is a prime.
It is a super-2 number, since 2×610501152812 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (61050115271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461076 + ... + 7469253.
It is an arithmetic number, because the mean of its divisors is an integer number (5374918800).
Almost surely, 261050115281 is an apocalyptic number.
It is an amenable number.
61050115281 is a deficient number, since it is larger than the sum of its proper divisors (24948585519).
61050115281 is a wasteful number, since it uses less digits than its factorization.
61050115281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14930408.
The product of its (nonzero) digits is 2400, while the sum is 30.
The spelling of 61050115281 in words is "sixty-one billion, fifty million, one hundred fifteen thousand, two hundred eighty-one".
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