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24985969471 is a prime number
BaseRepresentation
bin10111010001010001…
…111010001100111111
32101111022111202112201
4113101101322030333
5402132402010341
615251200012331
71543114144021
oct272121721477
971438452481
1024985969471
11a661a23751
124a139010a7
132482663228
1412d0574011
159b3850331
hex5d147a33f

24985969471 has 2 divisors, whose sum is σ = 24985969472. Its totient is φ = 24985969470.

The previous prime is 24985969457. The next prime is 24985969493. The reversal of 24985969471 is 17496958942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24985969471 - 223 = 24977580863 is a prime.

It is a super-3 number, since 3×249859694713 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24985960471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12492984735 + 12492984736.

It is an arithmetic number, because the mean of its divisors is an integer number (12492984736).

Almost surely, 224985969471 is an apocalyptic number.

24985969471 is a deficient number, since it is larger than the sum of its proper divisors (1).

24985969471 is an equidigital number, since it uses as much as digits as its factorization.

24985969471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 64.

The spelling of 24985969471 in words is "twenty-four billion, nine hundred eighty-five million, nine hundred sixty-nine thousand, four hundred seventy-one".