Base | Representation |
---|---|
bin | 111111101011001100… |
… | …100101001011110111 |
3 | 20112110212001212221212 |
4 | 333223030211023313 |
5 | 2110010314000424 |
6 | 51224200032035 |
7 | 4640166156314 |
oct | 775314451367 |
9 | 215425055855 |
10 | 68370453239 |
11 | 26aa537a510 |
12 | 1130116261b |
13 | 65a7967cba |
14 | 344842dd0b |
15 | 1ba252710e |
hex | feb3252f7 |
68370453239 has 8 divisors (see below), whose sum is σ = 78973357968. Its totient is φ = 58498783360.
The previous prime is 68370453209. The next prime is 68370453241. The reversal of 68370453239 is 93235407386.
It is a happy number.
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-68370453239 is a prime.
It is a super-2 number, since 2×683704532392 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68370453209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182808512 + ... + 182808885.
It is an arithmetic number, because the mean of its divisors is an integer number (9871669746).
Almost surely, 268370453239 is an apocalyptic number.
68370453239 is a deficient number, since it is larger than the sum of its proper divisors (10602904729).
68370453239 is a wasteful number, since it uses less digits than its factorization.
68370453239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365617425.
The product of its (nonzero) digits is 3265920, while the sum is 50.
The spelling of 68370453239 in words is "sixty-eight billion, three hundred seventy million, four hundred fifty-three thousand, two hundred thirty-nine".
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