Search a number
-
+
68896988026 = 2222115510353
BaseRepresentation
bin100000000101010010…
…1001001101101111010
320120211112211121220021
41000022211021231322
52112100112104101
651352325321054
74656221510206
oct1001245115572
9216745747807
1068896988026
112724560a929
121142956618a
13665ca80a49
143498331b06
151bd38825a1
hex100a949b7a

68896988026 has 8 divisors (see below), whose sum is σ = 103392019764. Its totient is φ = 34432981440.

The previous prime is 68896988011. The next prime is 68896988033. The reversal of 68896988026 is 62088969886.

It can be written as a sum of positive squares in 2 ways, for example, as 57073687801 + 11823300225 = 238901^2 + 108735^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7750735 + ... + 7759618.

Almost surely, 268896988026 is an apocalyptic number.

68896988026 is a deficient number, since it is larger than the sum of its proper divisors (34495031738).

68896988026 is a wasteful number, since it uses less digits than its factorization.

68896988026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15512576.

The product of its (nonzero) digits is 143327232, while the sum is 70.

The spelling of 68896988026 in words is "sixty-eight billion, eight hundred ninety-six million, nine hundred eighty-eight thousand, twenty-six".

Divisors: 1 2 2221 4442 15510353 31020706 34448494013 68896988026