Base | Representation |
---|---|
bin | 100000000101100100… |
… | …0111100000000001111 |
3 | 20120212012111020020012 |
4 | 1000023020330000033 |
5 | 2112110012302124 |
6 | 51353302343435 |
7 | 4656364321124 |
oct | 1001310740017 |
9 | 216765436205 |
10 | 68906369039 |
11 | 2724a937a32 |
12 | 1143072ab7b |
13 | 66619b6941 |
14 | 349969474b |
15 | 1bd45d6e0e |
hex | 100b23c00f |
68906369039 has 8 divisors (see below), whose sum is σ = 71640660000. Its totient is φ = 66195958752.
The previous prime is 68906369029. The next prime is 68906369107. The reversal of 68906369039 is 93096360986.
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-68906369039 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 (68906369029) by changing a digit.
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, 5964284 + ... + 5975825.
It is an arithmetic number, because the mean of its divisors is an integer number (8955082500).
Almost surely, 268906369039 is an apocalyptic number.
68906369039 is a deficient number, since it is larger than the sum of its proper divisors (2734290961).
68906369039 is a wasteful number, since it uses less digits than its factorization.
68906369039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11940337.
The product of its (nonzero) digits is 11337408, while the sum is 59.
The spelling of 68906369039 in words is "sixty-eight billion, nine hundred six million, three hundred sixty-nine thousand, thirty-nine".
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