Search a number
-
+
68634232770959 is a prime number
BaseRepresentation
bin11111001101100001001110…
…00100000101000110001111
3100000000100221200121220212122
433212300213010011012033
532444000402042132314
6401550044203523155
720312442161521652
oct1746604704050617
9300010850556778
1068634232770959
111a961684121389
1278459358294bb
132c3b2463a5c2b
1412d3cb38cb899
157e0501db428e
hex3e6c2710518f

68634232770959 has 2 divisors, whose sum is σ = 68634232770960. Its totient is φ = 68634232770958.

The previous prime is 68634232770949. The next prime is 68634232770979. The reversal of 68634232770959 is 95907723243686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68634232770959 - 224 = 68634215993743 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 68634232770892 and 68634232770901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68634232770919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34317116385479 + 34317116385480.

It is an arithmetic number, because the mean of its divisors is an integer number (34317116385480).

Almost surely, 268634232770959 is an apocalyptic number.

68634232770959 is a deficient number, since it is larger than the sum of its proper divisors (1).

68634232770959 is an equidigital number, since it uses as much as digits as its factorization.

68634232770959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823011840, while the sum is 71.

The spelling of 68634232770959 in words is "sixty-eight trillion, six hundred thirty-four billion, two hundred thirty-two million, seven hundred seventy thousand, nine hundred fifty-nine".