Search a number
-
+
68187615341 = 719533317783
BaseRepresentation
bin111111100000010011…
…000111000001101101
320112000010000202111212
4333200103013001231
52104122012142331
651154105124205
74632516111236
oct774023070155
9215003022455
1068187615341
1126a1114970a
121126ba89665
136578b0c4b1
14342c03808d
151b9145cd2b
hexfe04c706d

68187615341 has 8 divisors (see below), whose sum is σ = 68299096320. Its totient is φ = 68076182032.

The previous prime is 68187615313. The next prime is 68187615389. The reversal of 68187615341 is 14351678186.

It is a happy number.

68187615341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 68187615341 - 214 = 68187598957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68187615341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68187615541) 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, 3825536 + ... + 3843318.

It is an arithmetic number, because the mean of its divisors is an integer number (8537387040).

Almost surely, 268187615341 is an apocalyptic number.

It is an amenable number.

68187615341 is a deficient number, since it is larger than the sum of its proper divisors (111480979).

68187615341 is a wasteful number, since it uses less digits than its factorization.

68187615341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23835.

The product of its digits is 967680, while the sum is 50.

The spelling of 68187615341 in words is "sixty-eight billion, one hundred eighty-seven million, six hundred fifteen thousand, three hundred forty-one".

Divisors: 1 719 5333 17783 3834427 12785977 94836739 68187615341