Base | Representation |
---|---|
bin | 111001000101101001… |
… | …010100101110010101 |
3 | 12212012222000011220101 |
4 | 321011221110232111 |
5 | 2001014242042322 |
6 | 44054312534101 |
7 | 4300010266351 |
oct | 710551245625 |
9 | 185188004811 |
10 | 61298002837 |
11 | 23aa6140885 |
12 | ba686b1331 |
13 | 5a1b6460c6 |
14 | 2d77014461 |
15 | 18db69b327 |
hex | e45a54b95 |
61298002837 has 4 divisors (see below), whose sum is σ = 62137701580. Its totient is φ = 60458304096.
The previous prime is 61298002789. The next prime is 61298002867. The reversal of 61298002837 is 73820089216.
61298002837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19568092996 + 41729909841 = 139886^2 + 204279^2 .
It is a cyclic number.
It is not a de Polignac number, because 61298002837 - 27 = 61298002709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61298002867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419849262 + ... + 419849407.
It is an arithmetic number, because the mean of its divisors is an integer number (15534425395).
Almost surely, 261298002837 is an apocalyptic number.
It is an amenable number.
61298002837 is a deficient number, since it is larger than the sum of its proper divisors (839698743).
61298002837 is an equidigital number, since it uses as much as digits as its factorization.
61298002837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 839698742.
The product of its (nonzero) digits is 290304, while the sum is 46.
The spelling of 61298002837 in words is "sixty-one billion, two hundred ninety-eight million, two thousand, eight hundred thirty-seven".
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