Search a number
-
+
68007040151 is a prime number
BaseRepresentation
bin111111010101100010…
…010001010010010111
320111112112020120220212
4333111202101102113
52103234300241101
651124134520035
74625164206041
oct772542212227
9214475216825
1068007040151
1126929223916
121121b50601b
13654a59687b
143412070a91
151b8068e1bb
hexfd5891497

68007040151 has 2 divisors, whose sum is σ = 68007040152. Its totient is φ = 68007040150.

The previous prime is 68007040103. The next prime is 68007040247. The reversal of 68007040151 is 15104070086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68007040151 - 210 = 68007039127 is a prime.

It is a super-2 number, since 2×680070401512 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68004040151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34003520075 + 34003520076.

It is an arithmetic number, because the mean of its divisors is an integer number (34003520076).

Almost surely, 268007040151 is an apocalyptic number.

68007040151 is a deficient number, since it is larger than the sum of its proper divisors (1).

68007040151 is an equidigital number, since it uses as much as digits as its factorization.

68007040151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 68007040151 in words is "sixty-eight billion, seven million, forty thousand, one hundred fifty-one".