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15430404424 = 231928800553
BaseRepresentation
bin11100101111011100…
…10100100101001000
31110211101000202120011
432113232110211020
5223100140420144
611031051041304
71054244162551
oct162756244510
943741022504
1015430404424
1165a9074256
122ba7740234
1315bba74726
14a65461328
156049d1a34
hex397b94948

15430404424 has 8 divisors (see below), whose sum is σ = 28932008310. Its totient is φ = 7715202208.

The previous prime is 15430404413. The next prime is 15430404439. The reversal of 15430404424 is 42440403451.

15430404424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15198451524 + 231952900 = 123282^2 + 15230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964400269 + ... + 964400284.

Almost surely, 215430404424 is an apocalyptic number.

It is an amenable number.

15430404424 is a deficient number, since it is larger than the sum of its proper divisors (13501603886).

15430404424 is a wasteful number, since it uses less digits than its factorization.

15430404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928800559 (or 1928800555 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 15430404424 its reverse (42440403451), we get a palindrome (57870807875).

The spelling of 15430404424 in words is "fifteen billion, four hundred thirty million, four hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1928800553 3857601106 7715202212 15430404424