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154102342997 is a prime number
BaseRepresentation
bin1000111110000100110…
…1110010010101010101
3112201202122202010112002
42033201031302111111
510011100144433442
6154443232005045
714063541205631
oct2174115622525
9481678663462
10154102342997
115a399834169
1225a48690785
13116bb454c55
14765c545dc1
15401dd1d732
hex23e1372555

154102342997 has 2 divisors, whose sum is σ = 154102342998. Its totient is φ = 154102342996.

The previous prime is 154102342973. The next prime is 154102343029. The reversal of 154102342997 is 799243201451.

154102342997 is digitally balanced in base 2, 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., 79095375121 + 75006967876 = 281239^2 + 273874^2 .

It is a cyclic number.

It is not a de Polignac number, because 154102342997 - 210 = 154102341973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154102342907) 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, 77051171498 + 77051171499.

It is an arithmetic number, because the mean of its divisors is an integer number (77051171499).

Almost surely, 2154102342997 is an apocalyptic number.

It is an amenable number.

154102342997 is a deficient number, since it is larger than the sum of its proper divisors (1).

154102342997 is an equidigital number, since it uses as much as digits as its factorization.

154102342997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 154102342997 in words is "one hundred fifty-four billion, one hundred two million, three hundred forty-two thousand, nine hundred ninety-seven".