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68725852786 = 234362926393
BaseRepresentation
bin100000000000001100…
…0010100101001110010
320120101121211001111001
41000000120110221302
52111222304242121
651323333312214
74652043052513
oct1000030245162
9216347731431
1068725852786
1127167a52448
12113a019566a
136633491aa6
14347d704a0a
151bc382a991
hex1000614a72

68725852786 has 4 divisors (see below), whose sum is σ = 103088779182. Its totient is φ = 34362926392.

The previous prime is 68725852781. The next prime is 68725852849.

68725852786 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67045262761 + 1680590025 = 258931^2 + 40995^2 .

It is not an unprimeable number, because it can be changed into a prime (68725852781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17181463195 + ... + 17181463198.

Almost surely, 268725852786 is an apocalyptic number.

68725852786 is a deficient number, since it is larger than the sum of its proper divisors (34362926396).

68725852786 is a wasteful number, since it uses less digits than its factorization.

68725852786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34362926395.

The product of its digits is 90316800, while the sum is 64.

The spelling of 68725852786 in words is "sixty-eight billion, seven hundred twenty-five million, eight hundred fifty-two thousand, seven hundred eighty-six".

Divisors: 1 2 34362926393 68725852786