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14978451424 = 25617673387
BaseRepresentation
bin11011111001100100…
…10000011111100000
31102122212121011121011
431330302100133200
5221133440421144
610514144110304
71040115510406
oct157462203740
942585534534
1014978451424
116396a44282
122aa0305394
131549242b11
14a21415476
155c9ea9a34
hex37cc907e0

14978451424 has 24 divisors (see below), whose sum is σ = 29972253528. Its totient is φ = 7366450560.

The previous prime is 14978451413. The next prime is 14978451427. The reversal of 14978451424 is 42415487941.

14978451424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149784514242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978451427) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3834742 + ... + 3838645.

It is an arithmetic number, because the mean of its divisors is an integer number (1248843897).

Almost surely, 214978451424 is an apocalyptic number.

It is an amenable number.

14978451424 is an abundant number, since it is smaller than the sum of its proper divisors (14993802104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14978451424 is an equidigital number, since it uses as much as digits as its factorization.

14978451424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673458 (or 7673450 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 14978451424 in words is "fourteen billion, nine hundred seventy-eight million, four hundred fifty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 7673387 15346774 30693548 61387096 122774192 245548384 468076607 936153214 1872306428 3744612856 7489225712 14978451424