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68060671 = 771136943
BaseRepresentation
bin1000000111010…
…00010111111111
311202001211200121
410003220113333
5114410420141
610430435411
71454335420
oct403502777
9152054617
1068060671
1135466a98
121a962b67
131113cbb3
149079647
155e961d1
hex40e85ff

68060671 has 8 divisors (see below), whose sum is σ = 78879744. Its totient is φ = 57515640.

The previous prime is 68060669. The next prime is 68060687. The reversal of 68060671 is 17606086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68060671 - 21 = 68060669 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 (68060171) 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, 67975 + ... + 68968.

It is an arithmetic number, because the mean of its divisors is an integer number (9859968).

Almost surely, 268060671 is an apocalyptic number.

68060671 is a deficient number, since it is larger than the sum of its proper divisors (10819073).

68060671 is a wasteful number, since it uses less digits than its factorization.

68060671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137021.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 68060671 is about 8249.8891507705. The cubic root of 68060671 is about 408.2868653309.

The spelling of 68060671 in words is "sixty-eight million, sixty thousand, six hundred seventy-one".

Divisors: 1 7 71 497 136943 958601 9722953 68060671