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68127283 = 710199551
BaseRepresentation
bin1000000111110…
…00101000110011
311202012020001201
410003320220303
5114420033113
610432112031
71455033550
oct403705063
9152166051
1068127283
1135502044
121a995617
1311164303
149095a27
155eaacdd
hex40f8a33

68127283 has 8 divisors (see below), whose sum is σ = 77944320. Its totient is φ = 58331400.

The previous prime is 68127277. The next prime is 68127329. The reversal of 68127283 is 38272186.

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 68127283 - 213 = 68119091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68127203) 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, 2358 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (9743040).

Almost surely, 268127283 is an apocalyptic number.

68127283 is a deficient number, since it is larger than the sum of its proper divisors (9817037).

68127283 is a wasteful number, since it uses less digits than its factorization.

68127283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577.

The product of its digits is 32256, while the sum is 37.

The square root of 68127283 is about 8253.9253086032. The cubic root of 68127283 is about 408.4200207272.

The spelling of 68127283 in words is "sixty-eight million, one hundred twenty-seven thousand, two hundred eighty-three".

Divisors: 1 7 1019 7133 9551 66857 9732469 68127283