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61975207027 is a prime number
BaseRepresentation
bin111001101110000000…
…101001110001110011
312220222011021201102001
4321232000221301303
52003411123111102
644245423434431
74322542365526
oct715600516163
9186864251361
1061975207027
1124313430368
1210017455a17
135ac8a33646
142ddcd36bbd
15192ad69487
hexe6e029c73

61975207027 has 2 divisors, whose sum is σ = 61975207028. Its totient is φ = 61975207026.

The previous prime is 61975207009. The next prime is 61975207031. The reversal of 61975207027 is 72070257916.

61975207027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61975207027 - 211 = 61975204979 is a prime.

It is not a weakly prime, because it can be changed into another prime (61975208027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30987603513 + 30987603514.

It is an arithmetic number, because the mean of its divisors is an integer number (30987603514).

Almost surely, 261975207027 is an apocalyptic number.

61975207027 is a deficient number, since it is larger than the sum of its proper divisors (1).

61975207027 is an equidigital number, since it uses as much as digits as its factorization.

61975207027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 61975207027 in words is "sixty-one billion, nine hundred seventy-five million, two hundred seven thousand, twenty-seven".