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154130749519 is a prime number
BaseRepresentation
bin1000111110001011101…
…0001001100001001111
3112201211122012022221111
42033202322021201033
510011124432441034
6154450124512451
714064334516525
oct2174272114117
9481748168844
10154130749519
115a40387642a
1225a560ab727
13116c42bc846
14766221c315
154021580364
hex23e2e8984f

154130749519 has 2 divisors, whose sum is σ = 154130749520. Its totient is φ = 154130749518.

The previous prime is 154130749501. The next prime is 154130749607. The reversal of 154130749519 is 915947031451.

154130749519 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-154130749519 is a prime.

It is a super-2 number, since 2×1541307495192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154130744519) 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, 77065374759 + 77065374760.

It is an arithmetic number, because the mean of its divisors is an integer number (77065374760).

Almost surely, 2154130749519 is an apocalyptic number.

154130749519 is a deficient number, since it is larger than the sum of its proper divisors (1).

154130749519 is an equidigital number, since it uses as much as digits as its factorization.

154130749519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 154130749519 in words is "one hundred fifty-four billion, one hundred thirty million, seven hundred forty-nine thousand, five hundred nineteen".