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154530204061 is a prime number
BaseRepresentation
bin1000111111101010110…
…1111100100110011101
3112202212110211201120011
42033322231330212131
510012434213012221
6154553514323221
714110255030162
oct2177255744635
9482773751504
10154530204061
115a5992a9552
1225b47a29511
1311758c9ca8c
14769d2c0069
1540466871e1
hex23fab7c99d

154530204061 has 2 divisors, whose sum is σ = 154530204062. Its totient is φ = 154530204060.

The previous prime is 154530204053. The next prime is 154530204067. The reversal of 154530204061 is 160402035451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100152627961 + 54377576100 = 316469^2 + 233190^2 .

It is a cyclic number.

It is not a de Polignac number, because 154530204061 - 23 = 154530204053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154530204067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77265102030 + 77265102031.

It is an arithmetic number, because the mean of its divisors is an integer number (77265102031).

Almost surely, 2154530204061 is an apocalyptic number.

It is an amenable number.

154530204061 is a deficient number, since it is larger than the sum of its proper divisors (1).

154530204061 is an equidigital number, since it uses as much as digits as its factorization.

154530204061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 154530204061 in words is "one hundred fifty-four billion, five hundred thirty million, two hundred four thousand, sixty-one".