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1431912553 is a prime number
BaseRepresentation
bin101010101011001…
…0100000001101001
310200210101200202021
41111112110001221
510413032200203
6354030504441
750325025111
oct12526240151
93623350667
101431912553
11675306105
1233b665121
1319a873146
14d825c041
1585a9a5bd
hex55594069

1431912553 has 2 divisors, whose sum is σ = 1431912554. Its totient is φ = 1431912552.

The previous prime is 1431912551. The next prime is 1431912557. The reversal of 1431912553 is 3552191341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1379899609 + 52012944 = 37147^2 + 7212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431912553 - 21 = 1431912551 is a prime.

Together with 1431912551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1431912551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715956276 + 715956277.

It is an arithmetic number, because the mean of its divisors is an integer number (715956277).

Almost surely, 21431912553 is an apocalyptic number.

It is an amenable number.

1431912553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431912553 is an equidigital number, since it uses as much as digits as its factorization.

1431912553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 1431912553 is about 37840.6204098189. The cubic root of 1431912553 is about 1127.1252148373.

The spelling of 1431912553 in words is "one billion, four hundred thirty-one million, nine hundred twelve thousand, five hundred fifty-three".