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7438608061 is a prime number
BaseRepresentation
bin1101110110110000…
…00010011010111101
3201012102001102221021
412323120002122331
5110213240424221
63230043104141
7352223060653
oct67330023275
921172042837
107438608061
11317799a375
121537212051
13917144641
14507cd0dd3
152d80a7041
hex1bb6026bd

7438608061 has 2 divisors, whose sum is σ = 7438608062. Its totient is φ = 7438608060.

The previous prime is 7438608041. The next prime is 7438608109. The reversal of 7438608061 is 1608068347.

7438608061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4409756836 + 3028851225 = 66406^2 + 55035^2 .

It is a cyclic number.

It is not a de Polignac number, because 7438608061 - 25 = 7438608029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7438607999 and 7438608017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7438608031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719304030 + 3719304031.

It is an arithmetic number, because the mean of its divisors is an integer number (3719304031).

Almost surely, 27438608061 is an apocalyptic number.

It is an amenable number.

7438608061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438608061 is an equidigital number, since it uses as much as digits as its factorization.

7438608061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 7438608061 is about 86247.3655307801. The cubic root of 7438608061 is about 1952.0782629707.

The spelling of 7438608061 in words is "seven billion, four hundred thirty-eight million, six hundred eight thousand, sixty-one".