Search a number
-
+
68747013187274 = 2313409310967609
BaseRepresentation
bin11111010000110011010010…
…10011001110011011001010
3100000102011001112212200101202
433220121221103032123022
533002322340333443044
6402113535235344202
720323544034324302
oct1750315123163312
9300364045780352
1068747013187274
111a9a5498793414
12786376b752062
132c48a7a934296
1412d9532078602
157e3403128c4e
hex3e86694ce6ca

68747013187274 has 8 divisors (see below), whose sum is σ = 103120562086020. Its totient is φ = 34373492491936.

The previous prime is 68747013187273. The next prime is 68747013187277. The reversal of 68747013187274 is 47278131074786.

It can be written as a sum of positive squares in 2 ways, for example, as 68141640492025 + 605372695249 = 8254795^2 + 778057^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68747013187274.

It is not an unprimeable number, because it can be changed into a prime (68747013187273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784382 + ... + 11751990.

Almost surely, 268747013187274 is an apocalyptic number.

68747013187274 is a deficient number, since it is larger than the sum of its proper divisors (34373548898746).

68747013187274 is a wasteful number, since it uses less digits than its factorization.

68747013187274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101704.

The product of its (nonzero) digits is 88510464, while the sum is 65.

The spelling of 68747013187274 in words is "sixty-eight trillion, seven hundred forty-seven billion, thirteen million, one hundred eighty-seven thousand, two hundred seventy-four".

Divisors: 1 2 3134093 6268186 10967609 21935218 34373506593637 68747013187274