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1481144471 is a prime number
BaseRepresentation
bin101100001001000…
…0111100010010111
310211020000221020122
41120102013202113
511013133110341
6402550022155
751463343312
oct13022074227
93736027218
101481144471
116a0081844
1235404795b
131a7b1ca61
141009d5979
158a07294b
hex58487897

1481144471 has 2 divisors, whose sum is σ = 1481144472. Its totient is φ = 1481144470.

The previous prime is 1481144461. The next prime is 1481144473. The reversal of 1481144471 is 1744411841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1481144471 - 214 = 1481128087 is a prime.

It is a super-3 number, since 3×14811444713 (a number of 28 digits) contains 333 as substring.

Together with 1481144473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481144473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740572235 + 740572236.

It is an arithmetic number, because the mean of its divisors is an integer number (740572236).

Almost surely, 21481144471 is an apocalyptic number.

1481144471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481144471 is an equidigital number, since it uses as much as digits as its factorization.

1481144471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 35.

The square root of 1481144471 is about 38485.6398023990. The cubic root of 1481144471 is about 1139.8975159231.

The spelling of 1481144471 in words is "one billion, four hundred eighty-one million, one hundred forty-four thousand, four hundred seventy-one".