Base | Representation |
---|---|
bin | 111001000111001011… |
… | …010100001011001001 |
3 | 12212021202100021000121 |
4 | 321013023110023021 |
5 | 2001042331100242 |
6 | 44101031303241 |
7 | 4300441525153 |
oct | 710713241311 |
9 | 185252307017 |
10 | 61323690697 |
11 | 24009696515 |
12 | ba7521ab21 |
13 | 5a23a6b419 |
14 | 2d7a5bdad3 |
15 | 18dda72667 |
hex | e472d42c9 |
61323690697 has 8 divisors (see below), whose sum is σ = 61418291040. Its totient is φ = 61229155680.
The previous prime is 61323690647. The next prime is 61323690731. The reversal of 61323690697 is 79609632316.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61323690697 - 219 = 61323166409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61323690647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061822 + ... + 2091352.
It is an arithmetic number, because the mean of its divisors is an integer number (7677286380).
Almost surely, 261323690697 is an apocalyptic number.
It is an amenable number.
61323690697 is a deficient number, since it is larger than the sum of its proper divisors (94600343).
61323690697 is a wasteful number, since it uses less digits than its factorization.
61323690697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32663.
The product of its (nonzero) digits is 2204496, while the sum is 52.
The spelling of 61323690697 in words is "sixty-one billion, three hundred twenty-three million, six hundred ninety thousand, six hundred ninety-seven".
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