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1325268081 = 33107458729
BaseRepresentation
bin100111011111101…
…1111110001110001
310102100201121001000
41032333133301301
510203232034311
6335301032213
744561410224
oct11677376161
93370647030
101325268081
11620096585
1230b9b5669
131817441c7
14c801b5bb
157b532056
hex4efdfc71

1325268081 has 16 divisors (see below), whose sum is σ = 1981713600. Its totient is φ = 875253024.

The previous prime is 1325268047. The next prime is 1325268083. The reversal of 1325268081 is 1808625231.

It is a happy number.

It is not a de Polignac number, because 1325268081 - 27 = 1325267953 is a prime.

It is a super-2 number, since 2×13252680812 = 3512670973034845122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325268083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226476 + ... + 232253.

It is an arithmetic number, because the mean of its divisors is an integer number (123857100).

Almost surely, 21325268081 is an apocalyptic number.

It is an amenable number.

1325268081 is a deficient number, since it is larger than the sum of its proper divisors (656445519).

1325268081 is a wasteful number, since it uses less digits than its factorization.

1325268081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458845 (or 458839 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1325268081 is about 36404.2316358964. The cubic root of 1325268081 is about 1098.4186868139.

The spelling of 1325268081 in words is "one billion, three hundred twenty-five million, two hundred sixty-eight thousand, eighty-one".

Divisors: 1 3 9 27 107 321 963 2889 458729 1376187 4128561 12385683 49084003 147252009 441756027 1325268081