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68892406228801 is a prime number
BaseRepresentation
bin11111010101000010000110…
…11001101010011101000001
3100000221001100020112110022201
433222201003121222131001
533012213121443310201
6402304422353033201
720340212022641611
oct1752410331523501
9300831306473281
1068892406228801
111aa51118327471
127887987555801
132c596ab8cb0bc
1413025a5a3aa41
157e70b253d801
hex3ea84366a741

68892406228801 has 2 divisors, whose sum is σ = 68892406228802. Its totient is φ = 68892406228800.

The previous prime is 68892406228787. The next prime is 68892406228817. The reversal of 68892406228801 is 10882260429886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61875607871025 + 7016798357776 = 7866105^2 + 2648924^2 .

It is a cyclic number.

It is not a de Polignac number, because 68892406228801 - 231 = 68890258745153 is a prime.

It is not a weakly prime, because it can be changed into another prime (68892406225801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34446203114400 + 34446203114401.

It is an arithmetic number, because the mean of its divisors is an integer number (34446203114401).

Almost surely, 268892406228801 is an apocalyptic number.

It is an amenable number.

68892406228801 is a deficient number, since it is larger than the sum of its proper divisors (1).

68892406228801 is an equidigital number, since it uses as much as digits as its factorization.

68892406228801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42467328, while the sum is 64.

The spelling of 68892406228801 in words is "sixty-eight trillion, eight hundred ninety-two billion, four hundred six million, two hundred twenty-eight thousand, eight hundred one".