Base | Representation |
---|---|
bin | 111001011101011001… |
… | …010011110101110101 |
3 | 12220020201202210202202 |
4 | 321131121103311311 |
5 | 2002323243124401 |
6 | 44202025114245 |
7 | 4312616145455 |
oct | 713531236565 |
9 | 186221683682 |
10 | 61696458101 |
11 | 24190051153 |
12 | bb5a028985 |
13 | 5a83066555 |
14 | 2db3cd5d65 |
15 | 191165706b |
hex | e5d653d75 |
61696458101 has 8 divisors (see below), whose sum is σ = 63263194008. Its totient is φ = 60132672000.
The previous prime is 61696458073. The next prime is 61696458107. The reversal of 61696458101 is 10185469616.
It can be written as a sum of positive squares in 4 ways, for example, as 820765201 + 60875692900 = 28649^2 + 246730^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-61696458101 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 (61696458107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695060 + ... + 778781.
It is an arithmetic number, because the mean of its divisors is an integer number (7907899251).
Almost surely, 261696458101 is an apocalyptic number.
It is an amenable number.
61696458101 is a deficient number, since it is larger than the sum of its proper divisors (1566735907).
61696458101 is a wasteful number, since it uses less digits than its factorization.
61696458101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1474903.
The product of its (nonzero) digits is 311040, while the sum is 47.
The spelling of 61696458101 in words is "sixty-one billion, six hundred ninety-six million, four hundred fifty-eight thousand, one hundred one".
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