Search a number
-
+
68901210986 = 234450605493
BaseRepresentation
bin100000000101011010…
…1010000101101101010
320120211211210011201012
41000022311100231222
52112102202222421
651353000023522
74656302426066
oct1001265205552
9216754704635
1068901210986
1127247a34683
121142aa61ba2
1366608cbc3a
143498b10aa6
151bd3e1895b
hex100ad50b6a

68901210986 has 4 divisors (see below), whose sum is σ = 103351816482. Its totient is φ = 34450605492.

The previous prime is 68901210943. The next prime is 68901211003.

It is a happy number.

68901210986 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., 68699031025 + 202179961 = 262105^2 + 14219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17225302745 + ... + 17225302748.

Almost surely, 268901210986 is an apocalyptic number.

68901210986 is a deficient number, since it is larger than the sum of its proper divisors (34450605496).

68901210986 is a wasteful number, since it uses less digits than its factorization.

68901210986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34450605495.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 68901210986 in words is "sixty-eight billion, nine hundred one million, two hundred ten thousand, nine hundred eighty-six".

Divisors: 1 2 34450605493 68901210986