Base | Representation |
---|---|
bin | 1010111100100110111… |
… | …0110000011101000111 |
3 | 122222102210020220022222 |
4 | 2233021232300131013 |
5 | 11040130411234424 |
6 | 222221451242555 |
7 | 16405334141456 |
oct | 2571156603507 |
9 | 588383226288 |
10 | 188068071239 |
11 | 72839583554 |
12 | 3054774945b |
13 | 149722cc2b9 |
14 | 9161542b9d |
15 | 4d5ab9ce5e |
hex | 2bc9bb0747 |
188068071239 has 4 divisors (see below), whose sum is σ = 188069131656. Its totient is φ = 188067010824.
The previous prime is 188068071199. The next prime is 188068071283. The reversal of 188068071239 is 932170860881.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-188068071239 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 (188068071299) 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, 192464 + ... + 642789.
It is an arithmetic number, because the mean of its divisors is an integer number (47017282914).
Almost surely, 2188068071239 is an apocalyptic number.
188068071239 is a deficient number, since it is larger than the sum of its proper divisors (1060417).
188068071239 is an equidigital number, since it uses as much as digits as its factorization.
188068071239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060416.
The product of its (nonzero) digits is 1161216, while the sum is 53.
The spelling of 188068071239 in words is "one hundred eighty-eight billion, sixty-eight million, seventy-one thousand, two hundred thirty-nine".
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